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<!-- <span class="mw-editsection"><span class="mw-editsection-bracket">\[<\/span><a title="([^\"]+)">edit<\/a><span class="mw-editsection-bracket">\]<\/span><\/span> -->
<h2><span id="Class_000_.E2.80.93_Computer_science.2C_information_.26_general_works"></span><span class="mw-headline" id="Class_000_–_Computer_science,_information_&_general_works">Class 000 – Computer science, information & general works</span></h2>
<ul><li><b>000 Computer science, knowledge & systems</b>
<ul><li>000 <a title="Outline of computer science">Computer science</a>, information & general works</li>
<li>001 <a title="Outline of knowledge">Knowledge</a></li>
<li>002 The <a title="Book">book</a> (writing, libraries, and book-related topics)</li>
<li>003 <a title="System">Systems</a></li>
<li>004 <a title="Data processing">Data processing</a> & <a title="Computer science">computer science</a></li>
<li>005 <a title="Outline of computer programming">Computer programming</a>, <a class="mw-redirect" title="Computer software">programs</a> & <a title="Data (computing)">data</a></li>
<li>006 <a title="Application software">Special computer methods</a></li>
<li>007–009 [Unassigned]</li></ul></li>
<li><b>010 Bibliographies</b>
<ul><li>010 <a title="Bibliography">Bibliography</a></li>
<li>011 Bibliographies</li>
<li>012 Bibliographies of individuals</li>
<li>013 [Unassigned]</li>
<li>014 Bibliographies of anonymous & pseudonymous works</li>
<li>015 Bibliographies of works from specific places</li>
<li>016 Bibliographies of works on specific subjects</li>
<li>017 General subject catalogs</li>
<li>018 Catalogs arranged by author, date, etc.</li>
<li>019 <a class="new" title="Dictionary catalog (page does not exist)">Dictionary catalogs</a></li></ul></li>
<li><b>020 <a title="Outline of library science">Library & information sciences</a></b>
<ul><li>020 Library & information sciences</li>
<li>021 Library relationships (with <a title="Archive">archives</a>, information centers, etc.)</li>
<li>022 Administration of physical plant</li>
<li>023 <a title="Human resource management">Personnel management</a></li>
<li>024 [Unassigned]</li>
<li>025 <a title="Library management">Library operations</a></li>
<li>026 Libraries for specific subjects</li>
<li>027 General libraries</li>
<li>028 Reading & use of other information media</li>
<li>029 [Unassigned]</li></ul></li>
<li><b>030 Encyclopedias & books of facts</b>
<ul><li>030 General <a title="Encyclopedia">encyclopedic</a> works</li>
<li>031 Encyclopedias in <a title="American English">American English</a></li>
<li>032 Encyclopedias in <a title="English language">English</a></li>
<li>033 Encyclopedias in other <a title="Germanic languages">Germanic</a> languages</li>
<li>034 Encyclopedias in <a title="French language">French</a>, <a title="Occitan language">Occitan</a>, and <a title="Catalan language">Catalan</a></li>
<li>035 Encyclopedias in <a title="Italian language">Italian</a>, <a title="Romanian language">Romanian</a>, and related languages</li>
<li>036 Encyclopedias in <a title="Spanish language">Spanish</a> & <a title="Portuguese language">Portuguese</a></li>
<li>037 Encyclopedias in <a title="Slavic languages">Slavic</a> languages</li>
<li>038 Encyclopedias in <a title="North Germanic languages">Scandinavian</a> languages</li>
<li>039 Encyclopedias in other languages</li></ul></li>
<li><b>040 Unassigned <i>(formerly <a class="mw-redirect" title="Biographies">Biographies</a>)</i></b></li>
<li><b>050 Magazines, journals & serials</b>
<ul><li>050 General serial publications</li>
<li>051 Serials in American English</li>
<li>052 Serials in English</li>
<li>053 Serials in other Germanic languages</li>
<li>054 Serials in French, Occitan, and Catalan</li>
<li>055 Serials in Italian, Romanian, and related languages</li>
<li>056 Serials in Spanish & Portuguese</li>
<li>057 Serials in Slavic languages</li>
<li>058 Serials in Scandinavian languages</li>
<li>059 Serials in other languages</li></ul></li>
<li><b>060 Associations, organizations & museums</b>
<ul><li>060 General organizations & museum science</li>
<li>061 Organizations in North America</li>
<li>062 Organizations in British Isles; in England</li>
<li>063 Organizations in central Europe; in Germany</li>
<li>064 Organizations in France & Monaco</li>
<li>065 Organizations in Italy & adjacent islands</li>
<li>066 Organizations in <a class="mw-redirect" title="Iberian peninsula">Iberian peninsula</a> & adjacent islands</li>
<li>067 Organizations in eastern Europe; in Russia</li>
<li>068 Organizations in other geographic areas</li>
<li>069 <a title="Museology">Museum science</a></li></ul></li>
<li><b>070 News media, journalism & publishing</b>
<ul><li>070 News media, journalism, and publishing</li>
<li>071 Newspapers in North America</li>
<li>072 Newspapers in British Isles; in England</li>
<li>073 Newspapers in central Europe; in Germany</li>
<li>074 Newspapers in France & Monaco</li>
<li>075 Newspapers in Italy & adjacent islands</li>
<li>076 Newspapers in Iberian peninsula & adjacent islands</li>
<li>077 Newspapers in eastern Europe; in Russia</li>
<li>078 Newspapers in Scandinavia</li>
<li>079 Newspapers in other geographic areas</li></ul></li>
<li><b>080 Quotations</b>
<ul><li>080 General collections</li>
<li>081 Collections in American English</li>
<li>082 Collections in English</li>
<li>083 Collections in other Germanic languages</li>
<li>084 Collections in French, Occitan, Catalan</li>
<li>085 Collections in Italian, Romanian, & related languages</li>
<li>086 Collections in Spanish & Portuguese</li>
<li>087 Collections in Slavic languages</li>
<li>088 Collections in Scandinavian languages</li>
<li>089 Collections in other languages</li></ul></li>
<li><b>090 <a title="Manuscript">Manuscripts</a> & rare books</b>
<ul><li>090 Manuscripts and rare books</li>
<li>091 Manuscripts</li>
<li>092 <a class="mw-redirect" title="Block books">Block books</a></li>
<li>093 <a class="mw-redirect" title="Incunabula">Incunabula</a></li>
<li>094 <a class="new" title="Printed books (page does not exist)">Printed books</a></li>
<li>095 Books notable for bindings</li>
<li>096 Books notable for illustrations</li>
<li>097 Books notable for ownership or origin</li>
<li>098 Prohibited works, forgeries, and hoaxes</li>
<li>099 Books notable for format</li></ul></li></ul>
<h2><span id="Class_100_.E2.80.93_Philosophy_.26_psychology"></span><span class="mw-headline" id="Class_100_–_Philosophy_&_psychology">Class 100 – Philosophy & psychology</span></h2>
<ul><li><b>100 <a title="Outline of philosophy">Philosophy</a></b>
<ul><li>100 Philosophy & psychology</li>
<li>101 Theory of philosophy</li>
<li>102 Miscellany</li>
<li>103 Dictionaries & encyclopedias</li>
<li>104 [Unassigned]</li>
<li>105 Serial publications</li>
<li>106 Organizations & management</li>
<li>107 Education, research, related topics of philosophy</li>
<li>108 Groups of <a class="mw-redirect" title="List of philosophers">people</a></li>
<li>109 <a class="mw-redirect" title="History of philosophy">History</a> & collected biography</li></ul></li>
<li><b>110 <a title="Metaphysics">Metaphysics</a></b>
<ul><li>110 Metaphysics</li>
<li>111 <a title="Ontology">Ontology</a></li>
<li>112 <i>No longer used—formerly <a title="Methodology">Methodology</a> </i></li>
<li>113 <a title="Cosmology">Cosmology</a> (<a class="mw-redirect" title="Philosophy of nature">Philosophy of nature</a>)</li>
<li>114 <a title="Philosophy of space and time">Space</a></li>
<li>115 <a title="Philosophy of space and time">Time</a></li>
<li>116 Change</li>
<li>117 Structure</li>
<li>118 Force and energy</li>
<li>119 Number and quantity</li></ul></li>
<li><b>120 <a title="Outline of epistemology">Epistemology</a></b>
<ul><li>120 Epistemology, causation, and humankind</li>
<li>121 Epistemology (Theory of knowledge)</li>
<li>122 Causation</li>
<li>123 <a title="Determinism">Determinism</a> and <a title="Indeterminism">indeterminism</a></li>
<li>124 <a title="Teleology">Teleology</a></li>
<li>125 <i>No longer used—formerly <a title="Infinity">Infinity</a></i></li>
<li>126 <a title="Outline of self">The self</a></li>
<li>127 The unconscious & the subconscious</li>
<li>128 <a class="mw-redirect" title="Humankind">Humankind</a></li>
<li>129 Origin & destiny of individual souls</li></ul></li>
<li><b>130 <a title="Parapsychology">Parapsychology</a> & <a class="mw-redirect" title="Occultism">occultism</a></b>
<ul><li>130 Parapsychology & occultism</li>
<li>131 Parapsychological and occult methods for achieving well-being, happiness, success</li>
<li>132 <i>No longer used—formerly Mental derangements</i></li>
<li>133 Specific topics in parapsychology & occultism</li>
<li>134 <i>No longer used—formerly <a class="mw-redirect" title="Mesmerism">Mesmerism</a> & <a title="Clairvoyance">Clairvoyance</a></i></li>
<li>135 <a title="Dream">Dreams</a> & mysteries</li>
<li>136 <i>No longer used—formerly Mental characteristics</i></li>
<li>137 Divinatory <a title="Graphology">graphology</a></li>
<li>138 <a title="Physiognomy">Physiognomy</a></li>
<li>139 <a title="Phrenology">Phrenology</a></li></ul></li>
<li><b>140 <a title="Category:Philosophical movements">Philosophical schools of thought</a></b>
<ul><li>140 Specific philosophical schools and viewpoints</li>
<li>141 <a title="Idealism">Idealism</a> & related systems & doctrines</li>
<li>142 <a title="Critical philosophy">Critical philosophy</a></li>
<li>143 <a title="Henri Bergson">Bergsonism</a> & <a title="Intuitionism">intuitionism</a></li>
<li>144 <a title="Outline of humanism">Humanism</a> & related systems & doctrines</li>
<li>145 Sensationalism</li>
<li>146 <a title="Naturalism (philosophy)">Naturalism</a> & related systems & doctrines</li>
<li>147 <a title="Pantheism">Pantheism</a> & related systems & doctrines</li>
<li>148 <a class="mw-redirect" title="Dogmatism">Dogmatism</a>, <a title="Eclecticism">eclecticism</a>, liberalism, syncretism, & <a title="Traditionalist School">traditionalism</a></li>
<li>149 Other philosophical systems & doctrines</li></ul></li>
<li><b>150 <a title="Outline of psychology">Psychology</a></b>
<ul><li>150 Psychology</li>
<li>151 <i>No longer used—formerly Intellect </i></li>
<li>152 Sensory <a title="Perception">perception</a>, <a class="mw-redirect" title="Motion (physics)">movement</a>, <a title="Emotion">emotions</a>, & physiological drives</li>
<li>153 Conscious mental processes & <a title="Intelligence">intelligence</a></li>
<li>154 <a title="Subconscious">Subconscious</a> & <a title="Altered state of consciousness">altered states</a> & processes</li>
<li>155 <a title="Differential psychology">Differential</a> & <a title="Developmental psychology">developmental psychology</a></li>
<li>156 <a title="Comparative psychology">Comparative psychology</a></li>
<li>157 <i>No longer used—formerly <a title="Emotion">Emotions</a></i></li>
<li>158 <a title="Applied psychology">Applied psychology</a></li>
<li>159 <i>No longer used—formerly Will </i></li></ul></li>
<li><b>160 Philosophical <a title="Logic">logic</a></b>
<ul><li>160 Philosophical logic</li>
<li>161 <a title="Inductive reasoning">Induction</a></li>
<li>162 <a title="Deductive reasoning">Deduction</a></li>
<li>163–164 <i>Not assigned or no longer used</i></li>
<li>165 <a title="Fallacy">Fallacies</a> & sources of error</li>
<li>166 <a title="Syllogism">Syllogisms</a></li>
<li>167 <a title="Hypothesis">Hypotheses</a></li>
<li>168 <a class="mw-redirect" title="Logical argument">Argument</a> & <a title="Persuasion">persuasion</a></li>
<li>169 <a title="Analogy">Analogy</a></li></ul></li>
<li><b>170 <a title="Ethics">Ethics</a></b>
<ul><li>170 Ethics (Moral philosophy)</li>
<li>171 Ethical systems</li>
<li>172 Political ethics</li>
<li>173 Ethics of <a class="mw-redirect" title="Family relationships">family relationships</a></li>
<li>174 Occupational ethics</li>
<li>175 Ethics of <a title="Recreation">recreation</a>, <a title="Leisure">leisure</a>, public performances, communication</li>
<li>176 Ethics of <a title="Sex">sex</a> & <a title="Reproduction">reproduction</a></li>
<li>177 Ethics of <a class="mw-redirect" title="Social relations">social relations</a></li>
<li>178 Ethics of <a title="Consumption (economics)">consumption</a></li>
<li>179 Other ethical norms</li></ul></li>
<li><b>180 <a title="Ancient philosophy">Ancient</a>, <a title="Medieval philosophy">medieval</a>, & <a title="Eastern philosophy">Eastern philosophy</a></b>
<ul><li>180 Ancient, medieval, eastern philosophy</li>
<li>181 Eastern philosophy</li>
<li>182 <a title="Pre-Socratic philosophy">Pre-Socratic Greek philosophies</a></li>
<li>183 Sophistic, <a title="Socrates">Socratic</a>, related Greek philosophies</li>
<li>184 <a class="mw-redirect" title="Platonic philosophy">Platonic philosophy</a></li>
<li>185 <a class="mw-redirect" title="Aristotelian philosophy">Aristotelian philosophy</a></li>
<li>186 <a title="Philosophical skepticism">Skeptic</a> & <a title="Neoplatonism">Neoplatonic philosophies</a></li>
<li>187 <a title="Epicureanism">Epicurean philosophy</a></li>
<li>188 <a title="Stoicism">Stoic philosophy</a></li>
<li>189 Medieval Western philosophy</li></ul></li>
<li><b>190 Modern <a title="Western philosophy">Western philosophy</a></b> (<a title="19th-century philosophy">19th-century</a>, <a title="20th-century philosophy">20th-century</a>)
<ul><li>190 Modern Western & other noneastern philosophy</li>
<li>191 <a title="American philosophy">Philosophy of the United States</a> and Canada</li>
<li>192 <a title="British philosophy">Philosophy of the British Isles</a></li>
<li>193 <a title="German philosophy">Philosophy of Germany</a> and Austria</li>
<li>194 <a title="French philosophy">Philosophy of France</a></li>
<li>195 <a title="Italian philosophy">Philosophy of Italy</a></li>
<li>196 Philosophy of Spain and Portugal</li>
<li>197 <a title="Philosophy in the Soviet Union">Philosophy of Russia</a></li>
<li>198 Philosophy of Scandinavia & Finland</li>
<li>199 Philosophy in other geographic areas</li></ul></li></ul>
<h2><span id="Class_200_.E2.80.93_Religion"></span><span class="mw-headline" id="Class_200_–_Religion">Class 200 – Religion</span></h2>
<ul><li><b>200 <a title="Outline of religion">Religion</a></b>
<ul><li>200 Religion</li>
<li>201 Religious <a class="mw-redirect" title="Mythology">mythology</a>, general classes of religion, interreligious relations and attitudes, social theology</li>
<li>202 <a title="Doctrine">Doctrines</a></li>
<li>203 Public <a title="Worship">worship</a> and other practices</li>
<li>204 Religious experience, life, practice</li>
<li>205 Religious ethics</li>
<li>206 Leaders and organization</li>
<li>207 Missions and <a title="Religious education">religious education</a></li>
<li>208 Sources</li>
<li>209 <a title="Sect">Sects</a> and reform movements</li></ul></li>
<li><b>210 Philosophy & theory of religion</b>
<ul><li>210 Philosophy & theory of religion</li>
<li>211 <a title="Conceptions of God">Concepts of God</a></li>
<li>212 <a title="Existence of God">Existence</a>, ways of knowing God, attributes of God</li>
<li>213 <a title="Creation myth">Creation</a></li>
<li>214 <a title="Theodicy">Theodicy</a></li>
<li>215 <a title="Relationship between religion and science">Science & religion</a></li>
<li>216 <i>No longer used—formerly Evil </i></li>
<li>217 <i>No longer used—formerly Prayer</i></li>
<li>218 Humankind</li>
<li>219 <i>No longer used—formerly Analogies</i></li></ul></li>
<li><b>220 The <a title="Bible">Bible</a></b>
<ul><li>220 Bible</li>
<li>221 <a title="Old Testament">Old Testament</a> (Tanakh)</li>
<li>222 Historical books of Old Testament</li>
<li>223 Poetic books of Old Testament</li>
<li>224 Prophetic books of Old Testament</li>
<li>225 <a title="New Testament">New Testament</a></li>
<li>226 <a title="Gospel">Gospels</a> & <a title="Acts of the Apostles">Acts</a></li>
<li>227 <a class="mw-redirect" title="Epistles">Epistles</a></li>
<li>228 <a title="Book of Revelation">Revelation</a> (Apocalypse)</li>
<li>229 <a title="Apocrypha">Apocrypha</a>, <a class="mw-redirect" title="List of Old Testament Pseudepigrapha">pseudepigrapha</a>, & intertestamental works</li></ul></li>
<li><b>230 Christianity</b>
<ul><li>230 Christianity</li>
<li>231 <a title="God">God</a></li>
<li>232 <a title="Jesus">Jesus</a> Christ & his family</li>
<li>233 Humankind</li>
<li>234 <a title="Salvation">Salvation</a> & grace</li>
<li>235 Spiritual beings</li>
<li>236 <a title="Christian eschatology">Eschatology</a></li>
<li>237 <i>No longer used—formerly Future state </i></li>
<li>238 <a title="Creed">Creeds</a>, confessions of faith, covenants, & <a title="Catechism">catechisms</a></li>
<li>239 <a title="Christian apologetics">Apologetics</a> & polemics</li></ul></li>
<li><b>240 Christian practice & observance</b>
<ul><li>240 Christian moral and devotional theology</li>
<li>241 Christian ethics</li>
<li>242 Devotional literature</li>
<li>243 <a title="Evangelism">Evangelistic</a> writings for individuals and families</li>
<li>244 <i>No longer used—formerly <a class="mw-redirect" title="Religious fiction">Religious fiction</a></i></li>
<li>245 <i>No longer used—formerly <a title="Hymnology">Hymnology</a></i></li>
<li>246 Use of <a title="Christian art">art in Christianity</a></li>
<li>247 <a title="Church (building)">Church</a> furnishings & related articles</li>
<li>248 <a title="Christian worship">Christian experience, practice, life</a></li>
<li>249 Christian observances in family life</li></ul></li>
<li><b>250 Christian <a class="mw-redirect" title="Holy Orders">orders</a></b> & local church
<ul><li>250 Local Christian church and Christian religious orders</li>
<li>251 Preaching (<a title="Homiletics">Homiletics</a>)</li>
<li>252 Texts of <a title="Sermon">sermons</a></li>
<li>253 Pastoral office and work (<a title="Pastoral theology">Pastoral theology</a>)</li>
<li>254 <a title="Parish">Parish</a> administration</li>
<li>255 <a title="Religious congregation">Religious congregations</a> & orders</li>
<li>256 <i>No longer used—formerly Religious societies </i></li>
<li>257 <i>No longer used—formerly Parochial schools, libraries, etc.</i></li>
<li>258 <i>No longer used—formerly Parochial medicine </i></li>
<li>259 Pastoral care of families, of specific groups of people</li></ul></li>
<li><b>260 Social & ecclesiastical theology</b>
<ul><li>260 Christian social and ecclesiastical theology</li>
<li>261 Social theology and interreligious relations and attitudes</li>
<li>262 <a title="Ecclesiology">Ecclesiology</a></li>
<li>263 Days, times, places of <a title="Liturgical year">religious observance</a></li>
<li>264 Public worship</li>
<li>265 <a title="Sacrament">Sacraments</a>, other rites & acts</li>
<li>266 <a class="mw-redirect" title="Mission (Christian)">Missions</a></li>
<li>267 Associations for religious work</li>
<li>268 <a title="Religious education">Religious education</a></li>
<li>269 Spiritual renewal</li></ul></li>
<li><b>270 History of Christianity</b>
<ul><li>270 History, geographic treatment, biography of Christianity</li>
<li>271 Religious congregations and orders in church history</li>
<li>272 <a title="Persecution">Persecutions</a> in church history</li>
<li>273 Doctrinal controversies and heresies in general church history</li>
<li>274 <a title="Christianity in Europe">Christianity in Europe</a></li>
<li>275 <a title="Christianity in Asia">Christianity in Asia</a></li>
<li>276 <a title="Christianity in Africa">Christianity in Africa</a></li>
<li>277 <a title="Category:Christianity in North America">Christianity in North America</a></li>
<li>278 <a title="Category:Christianity in South America">Christianity in South America</a></li>
<li>279 History of Christianity in other areas</li></ul></li>
<li><b>280 <a title="Christian denomination">Christian denominations</a></b>
<ul><li>280 Denominations and sects of Christian church</li>
<li>281 <a class="mw-redirect" title="Early Christianity">Early church</a> & <a title="Eastern Christianity">Eastern churches</a></li>
<li>282 <a class="mw-redirect" title="Roman catholicism">Roman Catholic</a> Church</li>
<li>283 <a title="Anglicanism">Anglican</a> churches</li>
<li>284 <a title="Protestantism">Protestant</a> denominations of Continental origin & related body</li>
<li>285 <a title="Presbyterianism">Presbyterian</a> churches, <a class="mw-redirect" title="Reformed Church">Reformed</a> churches centered in America, <a title="Congregational church">Congregational</a> churches</li>
<li>286 <a class="mw-redirect" title="Baptist">Baptist</a>, <a title="Restoration Movement">Restoration Movement</a>, <a title="Adventism">Adventist</a> churches</li>
<li>287 <a class="mw-redirect" title="Methodist">Methodist</a> churches; churches related to Methodism</li>
<li>288 <i>No longer used—formerly <a title="Unitarianism">Unitarian</a> </i></li>
<li>289 Other denominations & sects</li></ul></li>
<li><b>290 Other religions</b>
<ul><li>290 Other religions</li>
<li>291 <i>No longer used—formerly Comparative religion</i></li>
<li>292 Classical religion (<a title="Ancient Greek religion">Greek</a> & <a title="Religion in ancient Rome">Roman religion</a>)</li>
<li>293 <a title="Germanic paganism">Germanic religion</a></li>
<li>294 <a class="mw-redirect" title="Indian religion">Religions of Indic origin</a></li>
<li>295 <a title="Zoroastrianism">Zoroastrianism</a> (Mazdaism, Parseeism)</li>
<li>296 <a title="Judaism">Judaism</a></li>
<li>297 <a title="Islam">Islam</a>, <a title="Bábism">Bábism</a> & <a class="mw-redirect" title="Bahá'í Faith">Bahá'í Faith</a></li>
<li>298 <i>No longer used—formerly <a title="Mormonism">Mormonism</a> </i></li>
<li>299 Religions not provided for elsewhere</li></ul></li></ul>
<h2><span id="Class_300_.E2.80.93_Social_sciences"></span><span class="mw-headline" id="Class_300_–_Social_sciences">Class 300 – Social sciences</span></h2>
<ul><li><b>300 <a title="Social science">Social sciences</a></b>, sociology & anthropology
<ul><li>300 Social sciences</li>
<li>301 <a title="Sociology">Sociology</a> & <a title="Anthropology">anthropology</a></li>
<li>302 <a class="mw-redirect" title="Social interaction">Social interaction</a></li>
<li>303 Social processes</li>
<li>304 Factors affecting social behavior</li>
<li>305 <a title="Social group">Groups of people</a></li>
<li>306 <a title="Culture">Culture</a> & <a title="Institution">institutions</a></li>
<li>307 <a class="mw-redirect" title="Communities">Communities</a></li>
<li>308 <i>No longer used—formerly <a class="mw-redirect" title="Polygraphy">Polygraphy</a></i></li>
<li>309 <i>No longer used—formerly <a title="History of sociology">History of sociology</a></i></li></ul></li>
<li><b>310 Statistics</b>
<ul><li>310 Collections of general statistics</li>
<li>311 <i>No longer used—formerly Theory and methods</i></li>
<li>312 <i>No longer used—formerly Population</i></li>
<li>313 <i>No longer used—formerly Special topics</i></li>
<li>314 General statistics of Europe</li>
<li>315 General statistics of Asia</li>
<li>316 General statistics of Africa</li>
<li>317 General statistics of North America</li>
<li>318 General statistics of South America</li>
<li>319 General statistics of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica</li></ul></li>
<li><b>320 <a title="Outline of political science">Political science</a></b>
<ul><li>320 Political science (Politics & government)</li>
<li>321 <a class="mw-redirect" title="Form of government">Systems of governments</a> & states</li>
<li>322 Relation of <a title="Sovereign state">state</a> to organized groups & their members</li>
<li>323 <a class="mw-redirect" title="Civil rights">Civil</a> & <a class="mw-redirect" title="Political rights">political rights</a></li>
<li>324 The <a title="Politics">political</a> process</li>
<li>325 International <a title="Human migration">migration</a> & <a class="mw-redirect" title="Colonisation">colonization</a></li>
<li>326 <a title="Slavery">Slavery</a> & <a class="mw-redirect" title="Political emancipation">emancipation</a></li>
<li>327 <a title="International relations">International relations</a></li>
<li>328 The <a title="Legislation">legislative</a> process</li>
<li>329 <i>Not assigned or no longer used</i></li></ul></li>
<li><b>330 <a title="Outline of economics">Economics</a></b>
<ul><li>330 Economics</li>
<li>331 <a class="mw-redirect" title="Labor economics">Labor economics</a></li>
<li>332 <a title="Financial economics">Financial economics</a></li>
<li>333 <a class="mw-redirect" title="Land economics">Economics of land</a> & energy</li>
<li>334 <a title="Cooperative">Cooperatives</a></li>
<li>335 <a title="Socialism">Socialism</a> & related systems</li>
<li>336 <a title="Public finance">Public finance</a></li>
<li>337 <a title="International economics">International economics</a></li>
<li>338 <a class="mw-redirect" title="Economic production">Production</a></li>
<li>339 <a title="Macroeconomics">Macroeconomics</a> & related topics</li></ul></li>
<li><b>340 <a title="Outline of law">Law</a></b>
<ul><li>340 Law</li>
<li>341 <a title="International law">Law of nations</a></li>
<li>342 <a title="Constitutional law">Constitutional</a> & <a title="Administrative law">administrative law</a></li>
<li>343 <a class="mw-redirect" title="Military law">Military</a>, defense, public property, public finance, <a title="Tax law">tax</a>, commerce (<a class="mw-redirect" title="Trade law">trade</a>), <a class="mw-redirect" title="Industrial law">industrial law</a></li>
<li>344 <a class="mw-redirect" title="Labor law">Labor</a>, social service, education, cultural law</li>
<li>345 <a title="Criminal law">Criminal law</a></li>
<li>346 <a title="Private law">Private law</a></li>
<li>347 <a title="Civil procedure">Procedure</a> & <a title="Court">courts</a></li>
<li>348 <a title="Law">Laws</a>, <a title="Regulation">regulations</a>, <a class="mw-redirect" title="Court case">cases</a></li>
<li>349 <a title="Category:Law by country">Law of specific jurisdictions, areas</a>, socioeconomic regions, regional intergovernmental organizations</li></ul></li>
<li><b>350 <a title="Public administration">Public administration</a> & <a title="Military science">military science</a></b>
<ul><li>350 Public administration & military science</li>
<li>351 Public administration</li>
<li>352 General considerations of public administration</li>
<li>353 Specific fields of public administration</li>
<li>354 Public administration of economy & environment</li>
<li>355 <a title="Outline of military science and technology">Military science</a></li>
<li>356 <a title="Infantry">Foot forces</a> & warfare</li>
<li>357 <a title="Mounted infantry">Mounted forces</a> & warfare</li>
<li>358 Air & other specialized forces & warfare; engineering & related services</li>
<li>359 <a title="Navy">Sea forces</a> & warfare</li></ul></li>
<li><b>360 Social problems & <a title="Social services">social services</a></b>
<ul><li>360 Social problems & services; associations</li>
<li>361 Social problems & services</li>
<li>362 Social problems of & services to groups of people</li>
<li>363 Other social problems & services</li>
<li>364 <a title="Criminology">Criminology</a></li>
<li>365 <a class="mw-redirect" title="Penal system">Penal</a> & related institutions</li>
<li>366 Secret associations & societies</li>
<li>367 General <a title="Club (organization)">clubs</a></li>
<li>368 <a title="Insurance">Insurance</a></li>
<li>369 Associations</li></ul></li>
<li><b>370 <a title="Outline of education">Education</a></b>
<ul><li>370 Education</li>
<li>371 Schools & their activities; special education</li>
<li>372 Primary education (<a class="mw-redirect" title="Elementary education">elementary education</a>)</li>
<li>373 <a title="Secondary education">Secondary education</a></li>
<li>374 <a title="Adult education">Adult education</a></li>
<li>375 <a title="Curriculum">Curricula</a></li>
<li>376 <i>No longer used—formerly Education of women </i></li>
<li>377 <i>No longer used—formerly Ethical education </i></li>
<li>378 <a title="Higher education">Higher education</a> (Tertiary education)</li>
<li>379 Public policy issues in education</li></ul></li>
<li><b>380 <a title="Commerce">Commerce</a>, <a title="Outline of communication">communications</a>, & <a title="Outline of transport">transportation</a></b>
<ul><li>380 Commerce, communications, transportation</li>
<li>381 Commerce (Trade)</li>
<li>382 <a title="International trade">International commerce</a> (Foreign trade)</li>
<li>383 <a class="mw-redirect" title="Postal system">Postal communication</a></li>
<li>384 Communications</li>
<li>385 <a class="mw-redirect" title="Rail transportation">Railroad transportation</a></li>
<li>386 Inland <a title="Waterway">waterway</a> & <a title="Ferry">ferry</a> transportation</li>
<li>387 <a class="mw-redirect" title="Ship transport">Water</a>, <a title="Aviation">air</a>, <a class="mw-redirect" title="Space transport">space transportation</a></li>
<li>388 Transportation</li>
<li>389 <a title="Metrology">Metrology</a> & <a title="Standardization">standardization</a></li></ul></li>
<li><b>390 <a title="Convention (norm)">Customs</a>, <a title="Etiquette">etiquette</a>, & <a title="Folklore">folklore</a></b>
<ul><li>390 Customs, etiquette, folklore</li>
<li>391 <a title="Costume">Costume</a> & <a class="mw-redirect" title="Personal appearance">personal appearance</a></li>
<li>392 Customs of life cycle & domestic life</li>
<li>393 <a title="Funeral">Death customs</a></li>
<li>394 <a class="mw-redirect" title="Norm (sociology)">General customs</a></li>
<li>395 Etiquette (<a class="mw-redirect" title="Manners">Manners</a>)</li>
<li>396 <i>No longer used—formerly Women's position and treatment</i></li>
<li>397 <i>No longer used—formerly <a title="Outcast (person)">outcast</a> studies </i></li>
<li>398 <a title="Folklore">Folklore</a></li>
<li>399 Customs of war & <a title="Diplomacy">diplomacy</a></li></ul></li></ul>
<h2><span id="Class_400_.E2.80.93_Language"></span><span class="mw-headline" id="Class_400_–_Language">Class 400 – Language</span></h2>
<ul><li><b>400 <a title="Language">Language</a></b>
<ul><li>400 Language</li>
<li>401 <a title="Philosophy of language">Philosophy</a> & theory; international languages</li>
<li>402 Miscellany</li>
<li>403 <a title="Dictionary">Dictionaries</a>, encyclopedias, concordances</li>
<li>404 Special topics of language</li>
<li>405 Serial publications</li>
<li>406 Organizations & management</li>
<li>407 <a title="Language education">Education</a>, research, related topics</li>
<li>408 Groups of people</li>
<li>409 Geographic treatment & biography</li></ul></li>
<li><b>410 <a title="Outline of linguistics">Linguistics</a></b>
<ul><li>410 Linguistics</li>
<li>411 <a title="Writing system">Writing systems</a> of standard forms of languages</li>
<li>412 <a title="Etymology">Etymology</a> of standard forms of languages</li>
<li>413 <a title="Lexicology">Dictionaries</a> of standard forms of languages</li>
<li>414 <a title="Phonology">Phonology</a> & phonetics of standard forms of languages</li>
<li>415 <a title="Grammar">Grammar</a> of standard forms of languages</li>
<li>416 <i>No longer used—formerly <a title="Prosody (linguistics)">Prosody</a> </i></li>
<li>417 <a title="Dialectology">Dialectology</a> & <a title="Historical linguistics">historical linguistics</a></li>
<li>418 Standard usage (<a title="Linguistic prescription">Prescriptive linguistics</a>)</li>
<li>419 <a title="Sign language">Sign languages</a></li></ul></li>
<li><b>420 <a title="English language">English</a> & <a class="mw-redirect" title="Old English language">Old English</a> languages</b>
<ul><li>420 English & Old English (Anglo-Saxon)</li>
<li>421 <a class="mw-redirect" title="English spelling">Writing system</a>, <a title="English phonology">phonology</a>, phonetics of standard English</li>
<li>422 Etymology of standard English</li>
<li>423 Dictionaries of standard English</li>
<li>424 <i>No longer used—formerly English <a title="Thesaurus">thesauruses</a></i></li>
<li>425 <a title="Grammar">Grammar</a> of standard English</li>
<li>426 <i>No longer used—formerly English prosodies</i></li>
<li>427 Historical & geographical variations, modern nongeographic variations of English</li>
<li>428 Standard English usage (Prescriptive linguistics)</li>
<li>429 Old English (Anglo-Saxon)</li></ul></li>
<li><b>430 <a title="German language">German</a> & related languages</b>
<ul><li>430 German and related languages</li>
<li>431 <a title="German orthography">Writing systems</a>, <a class="mw-redirect" title="German phonology">phonology</a>, phonetics of standard German</li>
<li>432 Etymology of standard German</li>
<li>433 Dictionaries of standard German</li>
<li>434 <i>Not assigned or no longer used </i></li>
<li>435 <a title="German grammar">Grammar</a> of standard German</li>
<li>436 <i>Not assigned or no longer used </i></li>
<li>437 Historical & geographic variations, modern nongeographic variations of German</li>
<li>438 Standard German usage (Prescriptive linguistics)</li>
<li>439 Other Germanic languages</li></ul></li>
<li><b>440 <a title="French language">French</a> & related languages</b>
<ul><li>440 French & related Romance languages</li>
<li>441 <a title="French orthography">Writing systems</a>, <a title="French phonology">phonology</a>, phonetics of standard French</li>
<li>442 Etymology of standard French</li>
<li>443 Dictionaries of standard French</li>
<li>444 <i>Not assigned or no longer used </i></li>
<li>445 <a title="French grammar">Grammar</a> of standard French</li>
<li>446 <i>Not assigned or no longer used </i></li>
<li>447 Historical and geographic variations, modern nongeographic variations of French</li>
<li>448 Standard French usage (Prescriptive linguistics)</li>
<li>449 Occitan <a title="Catalan language">Catalan</a>, <a class="mw-redirect" title="Provençal language">Franco-Provençal</a></li></ul></li>
<li><b>450 <a title="Italian language">Italian</a>, <a title="Romanian language">Romanian</a>, & related languages</b>
<ul><li>450 Italian, Dalmatian, Romanian, Rhaetian, Sardinian, Corsican</li>
<li>451 Writing systems, <a title="Italian phonology">phonology</a>, phonetics of standard Italian</li>
<li>452 Etymology of standard Italian</li>
<li>453 Dictionaries of standard Italian</li>
<li>454 <i>Not assigned or no longer used </i></li>
<li>455 <a title="Italian grammar">Grammar</a> of standard Italian</li>
<li>456 <i>Not assigned or no longer used </i></li>
<li>457 Historical & geographic variations, modern nongeographic variations of Italian</li>
<li>458 Standard Italian usage (Prescriptive linguistics)</li>
<li>459 Romanian, Rhaetian, Sardinian, Corsican</li></ul></li>
<li><b>460 <a title="Spanish language">Spanish</a>, <a title="Portuguese language">Portuguese</a>, Galician</b>
<ul><li>460 Spanish, Portuguese, Galician</li>
<li>461 <a title="Spanish orthography">Writing systems</a>, <a title="Spanish phonology">phonology</a>, phonetics of standard Spanish</li>
<li>462 Etymology of standard Spanish</li>
<li>463 Dictionaries of standard Spanish</li>
<li>464 <i>Not assigned or no longer used </i></li>
<li>465 <a title="Spanish grammar">Grammar</a> of standard Spanish</li>
<li>466 <i>Not assigned or no longer used </i></li>
<li>467 Historical & geographic variations, modern nongeographic variations of Spanish</li>
<li>468 Standard Spanish usage (Prescriptive linguistics)</li>
<li>469 Portuguese</li></ul></li>
<li><b>470 <a title="Latin">Latin</a> & <a title="Italic languages">Italic languages</a></b>
<ul><li>470 Latin & related Italic languages</li>
<li>471 Writing systems, phonology, phonetics of classical Latin</li>
<li>472 Etymology of classical Latin</li>
<li>473 Dictionaries of classical Latin</li>
<li>474 <i>Not assigned or no longer used </i></li>
<li>475 <a title="Latin grammar">Grammar</a> of classical Latin</li>
<li>476 <i>Not assigned or no longer used </i></li>
<li>477 <a title="Old Latin">Old</a>, postclassical, <a title="Vulgar Latin">Vulgar Latin</a></li>
<li>478 Classical Latin usage (Prescriptive linguistics)</li>
<li>479 Other Italic languages</li></ul></li>
<li><b>480 Classical & modern Greek languages</b>
<ul><li>480 Classical Greek & related Hellenic languages</li>
<li>481 Writing systems, <a title="Ancient Greek phonology">phonology</a>, phonetics of classical Greek</li>
<li>482 Etymology of classical Greek</li>
<li>483 Dictionaries of classical Greek</li>
<li>484 <i>Not assigned or no longer used </i></li>
<li>485 Grammar of classical Greek</li>
<li>486 <i>Not assigned or no longer used </i></li>
<li>487 Preclassical & postclassical Greek</li>
<li>488 Classical Greek usage (Prescriptive linguistics)</li>
<li>489 Other Hellenic languages</li></ul></li>
<li><b>490 Other languages</b>
<ul><li>490 Other languages</li>
<li>491 East Indo-European & <a title="Celtic languages">Celtic languages</a></li>
<li>492 <a class="mw-redirect" title="Afro-Asiatic languages">Afro-Asiatic languages</a></li>
<li>493 Non-Semitic Afro-Asiatic languages</li>
<li>494 Altic, Uralic, Hyperborean, <a title="Dravidian languages">Dravidian languages</a>, miscellaneous languages of south Asia</li>
<li>495 Languages of East & Southeast Asia</li>
<li>496 <a title="Languages of Africa">African languages</a></li>
<li>497 <a title="Indigenous languages of the Americas">North American native languages</a></li>
<li>498 <a title="Indigenous languages of the Americas">South American native languages</a></li>
<li>499 Non-Austronesian languages of Oceania, Austronesian languages, miscellaneous languages</li></ul></li></ul>
<h2><span id="Class_500_.E2.80.93_Science"></span><span class="mw-headline" id="Class_500_–_Science">Class 500 – Science</span></h2>
<ul><li><b>500 <a title="Science">Science</a></b>
<ul><li>500 Natural sciences & mathematics</li>
<li>501 Philosophy & theory</li>
<li>502 Miscellany</li>
<li>503 Dictionaries, encyclopedias, concordances</li>
<li>504 <i>Not assigned or no longer used </i></li>
<li>505 Serial publications</li>
<li>506 Organizations & management</li>
<li>507 Education, research, related topics</li>
<li>508 <a title="Natural history">Natural history</a></li>
<li>509 <a title="History of science">History</a>, <a title="Category:Science and technology by country">geographic treatment</a>, biography</li></ul></li>
<li><b>510 <a class="mw-redirect" title="Topic outline of mathematics">Mathematics</a></b>
<ul><li>510 Mathematics</li>
<li>511 General principles of mathematics</li>
<li>512 <a class="mw-redirect" title="Topic outline of algebra">Algebra</a></li>
<li>513 <a class="mw-redirect" title="Topic outline of arithmetic">Arithmetic</a></li>
<li>514 <a title="Topology">Topology</a></li>
<li>515 <a title="Mathematical analysis">Analysis</a></li>
<li>516 <a class="mw-redirect" title="Topic outline of geometry">Geometry</a></li>
<li>517 <i>Not assigned or no longer used </i></li>
<li>518 <a title="Numerical analysis">Numerical analysis</a></li>
<li>519 <a class="mw-redirect" title="Probabilities">Probabilities</a> & <a title="Applied mathematics">applied mathematics</a></li></ul></li>
<li><b>520 <a title="Outline of astronomy">Astronomy</a></b>
<ul><li>520 Astronomy & allied sciences</li>
<li>521 <a title="Celestial mechanics">Celestial mechanics</a></li>
<li>522 Techniques, procedures, apparatus, equipment, materials</li>
<li>523 Specific celestial bodies & phenomena</li>
<li>524 <i>Not assigned or no longer used </i></li>
<li>525 <a title="Earth">Earth</a> (Astronomical geography)</li>
<li>526 Mathematical geography</li>
<li>527 <a title="Celestial navigation">Celestial navigation</a></li>
<li>528 <a class="mw-redirect" title="Ephemerides">Ephemerides</a></li>
<li>529 <a title="Chronology">Chronology</a></li></ul></li>
<li><b>530 <a title="Outline of physics">Physics</a></b>
<ul><li>530 Physics</li>
<li>531 Classical <a title="Mechanics">mechanics</a></li>
<li>532 <a title="Fluid mechanics">Fluid mechanics</a></li>
<li>533 <a title="Pneumatics">Pneumatics</a> (Gas mechanics)</li>
<li>534 <a title="Sound">Sound</a> & related <a class="mw-redirect" title="Vibrations">vibrations</a></li>
<li>535 <a title="Light">Light</a> & related radiation</li>
<li>536 <a title="Heat">Heat</a></li>
<li>537 <a title="Electricity">Electricity</a> & <a title="Electronics">electronics</a></li>
<li>538 <a title="Magnetism">Magnetism</a></li>
<li>539 <a title="Modern physics">Modern physics</a></li></ul></li>
<li><b>540 <a title="Outline of chemistry">Chemistry</a></b>
<ul><li>540 Chemistry & allied sciences</li>
<li>541 <a title="Physical chemistry">Physical chemistry</a></li>
<li>542 Techniques, procedures, apparatus, equipment, materials</li>
<li>543 <a title="Analytical chemistry">Analytical chemistry</a></li>
<li>544 <i>No longer used—formerly <a title="Qualitative inorganic analysis">Qualitative analysis</a></i></li>
<li>545 <i>No longer used—formerly <a title="Quantitative analysis (chemistry)">Quantitative analysis</a></i></li>
<li>546 <a title="Inorganic chemistry">Inorganic chemistry</a></li>
<li>547 <a title="Organic chemistry">Organic chemistry</a></li>
<li>548 <a title="Crystallography">Crystallography</a></li>
<li>549 <a title="Mineralogy">Mineralogy</a></li></ul></li>
<li><b>550 <a class="mw-redirect" title="Earth sciences">Earth sciences</a> & <a title="Geology">geology</a></b>
<ul><li>550 Earth sciences</li>
<li>551 <a title="Outline of geology">Geology</a>, <a title="Hydrology">hydrology</a>, <a title="Meteorology">meteorology</a></li>
<li>552 <a title="Petrology">Petrology</a></li>
<li>553 <a title="Economic geology">Economic geology</a></li>
<li>554 Earth sciences of Europe</li>
<li>555 Earth sciences of Asia</li>
<li>556 Earth sciences of Africa</li>
<li>557 Earth sciences of North America</li>
<li>558 Earth sciences of South America</li>
<li>559 Earth sciences of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds</li></ul></li>
<li><b>560 <a title="Fossil">Fossils</a> & prehistoric life</b>
<ul><li>560 <a title="Paleontology">Paleontology</a></li>
<li>561 <a title="Paleobotany">Paleobotany</a>; fossil microorganisms</li>
<li>562 Fossil invertebrates</li>
<li>563 Miscellaneous fossil marine & seashore invertebrates</li>
<li>564 Fossil Mollusca & Molluscoidea</li>
<li>565 Fossil Arthropoda</li>
<li>566 Fossil Chordata</li>
<li>567 Fossil cold-blooded vertebrates</li>
<li>568 Fossil Aves (birds)</li>
<li>569 Fossil Mammalia</li></ul></li>
<li><b>570 <a title="Biology">Biology</a></b>
<ul><li>570 Biology</li>
<li>571 <a title="Physiology">Physiology</a> & related subjects</li>
<li>572 <a title="Outline of biochemistry">Biochemistry</a></li>
<li>573 Specific physiological systems in animals, regional histology & physiology in animals</li>
<li>574 <i>Not assigned or no longer used</i></li>
<li>575 Specific parts of & <a title="Plant physiology">physiological systems in plants</a></li>
<li>576 <a title="Outline of genetics">Genetics</a> and <a title="Evolution">evolution</a></li>
<li>577 <a title="Outline of ecology">Ecology</a></li>
<li>578 <a title="Natural history">Natural history</a> of <a title="Organism">organisms</a> & related subjects</li>
<li>579 Natural history of <a title="Microbiology">microorganisms</a>, <a title="Fungus">fungi</a>, <a title="Algae">algae</a></li></ul></li>
<li><b>580 Plants</b>
<ul><li>580 Plants</li>
<li>581 Specific topics in natural history of <a title="Plant">plants</a></li>
<li>582 Plants noted for specific vegetative characteristics and <a title="Flower">flowers</a></li>
<li>583 Magnoliopsida (<a title="Dicotyledon">Dicotyledones</a>)</li>
<li>584 Liliopsida (<a title="Monocotyledon">Monocotyledones</a>)</li>
<li>585 Pinophyta (<a title="Gymnosperm">Gymnosperms</a>)</li>
<li>586 <a class="mw-redirect" title="Cryptogams">Cryptogamia</a> (Seedless plants)</li>
<li>587 <a class="mw-redirect" title="Pteridophyta">Pteridophyta</a></li>
<li>588 <a title="Bryophyte">Bryophyta</a></li>
<li>589 <i>No longer used—formerly Forestry </i></li></ul></li>
<li><b>590 <a title="Animal">Animals</a> (<a title="Zoology">Zoology</a>)</b>
<ul><li>590 Animals</li>
<li>591 Specific topics in natural history of animals</li>
<li>592 <a title="Invertebrate">Invertebrates</a></li>
<li>593 Miscellaneous marine & seashore invertebrates</li>
<li>594 <a class="mw-redirect" title="Mollusc">Mollusca</a> & Molluscoidea</li>
<li>595 Arthropoda</li>
<li>596 Chordata</li>
<li>597 Cold-blooded vertebrates</li>
<li>598 <a title="Bird">Aves</a> (Birds)</li>
<li>599 <a title="Mammal">Mammalia</a> (Mammals)</li></ul></li></ul>
<h2><span id="Class_600_.E2.80.93_Technology"></span><span class="mw-headline" id="Class_600_–_Technology">Class 600 – Technology</span></h2>
<ul><li><b>600 <a title="Outline of technology">Technology</a></b>
<ul><li>600 Technology (Applied sciences)</li>
<li>601 Philosophy & theory</li>
<li>602 Miscellany</li>
<li>603 Dictionaries, encyclopedias, concordances</li>
<li>604 Technical drawing, hazardous materials technology; groups of people</li>
<li>605 Serial publications</li>
<li>606 Organizations</li>
<li>607 Education, research, related topics</li>
<li>608 <a title="Patent">Patents</a></li>
<li>609 <a title="History of technology">History</a>, geographic treatment, biography</li></ul></li>
<li><b>610 <a title="Outline of medicine">Medicine</a> & <a title="Health">health</a></b>
<ul><li>610 Medicine & health
<ul><li>610.3 Medical encyclopedias</li>
<li>610.6 Medical organizations & professions</li>
<li>610.72 Medical research</li>
<li>610.9 Geography and history of medicine</li></ul></li>
<li>611 <a title="Outline of human anatomy">Human anatomy</a>, <a title="Cell biology">cytology</a>, <a title="Histology">histology</a>
<ul><li>611.2 Respiratory (lung, respiratory system)</li>
<li>611.3 Gastrointestinal (dental anatomy)</li>
<li>611.6 Genitourinary (genital system)</li>
<li>611.7 Musculoskeletal (seed coat)</li>
<li>611.8 Anatomy of the sense organs and nervous system
<ul><li>611.82 Anatomy of the brain</li></ul></li>
<li>611.9 Topographic anatomy (back)</li></ul></li>
<li>612 <a class="mw-redirect" title="Human physiology">Human physiology</a></li>
<li>613 Personal health & safety
<ul><li>613.023 Professions hygiene and health</li>
<li>613.1 Role of the natural environment</li>
<li>613.2 Diet (food hygiene, nutrition, diet, nutritional value of food and beverages)</li>
<li>613.4 Cleanliness Care (hygiene and personal cleanliness, personal care)</li>
<li>613.5 Role of unnatural environment (housing, housing, temperature)</li>
<li>613.6
<ul><li>613.62 Hygiene in the business (industrial hygiene)</li>
<li>613.66 Self Defense</li></ul></li>
<li>613.7 Condition physique (bodybuilding, fitness, forme physique)<sup id="cite_ref-4" class="reference"><a>[4]</a></sup>
<ul><li>613.7046 Hatha yoga, yoga physique<sup id="cite_ref-5" class="reference"><a>[5]</a></sup></li>
<li>613.71 Exercising, sports (aerobics, sauna, appearance surveillance and physical form)<sup id="cite_ref-6" class="reference"><a>[6]</a></sup></li>
<li>613.79 Relaxation, sleep<sup id="cite_ref-7" class="reference"><a>[7]</a></sup></li></ul></li></ul></li>
<li>614 Forensic medicine; incidence of injuries, wounds, disease; public preventive medicine</li>
<li>615 <a title="Pharmacology">Pharmacology</a> and <a class="mw-redirect" title="Therapeutics">therapeutics</a></li>
<li>616 <a class="mw-redirect" title="Diseases">Diseases</a></li>
<li>617 <a title="Surgery">Surgery</a>, regional medicine, dentistry, ophthalmology, otology, audiology</li>
<li>618 <a class="mw-redirect" title="Gynecology">Gynecology</a>, obstetrics, pediatrics, geriatrics</li>
<li>619 <i>No longer used—formerly <a class="mw-redirect" title="Experimental medicine">Experimental medicine</a></i></li></ul></li>
<li><b>620 <a title="Outline of engineering">Engineering</a></b>
<ul><li>620 Engineering & Applied operations</li>
<li>621 <a title="Applied physics">Applied physics</a></li>
<li>622 <a title="Outline of mining">Mining</a> & related operations</li>
<li>623 <a class="mw-redirect" title="Military engineer">Military</a> & <a class="mw-redirect" title="Nautical engineering">nautical engineering</a></li>
<li>624 <a title="Civil engineering">Civil engineering</a></li>
<li>625 Engineering of <a class="mw-redirect" title="Railroad">railroads</a>, <a title="Road">roads</a></li>
<li>626 <i>Not assigned or no longer used </i></li>
<li>627 <a title="Hydraulic engineering">Hydraulic engineering</a></li>
<li>628 Sanitary engineering</li>
<li>629 Other branches of engineering</li></ul></li>
<li><b>630 <a class="mw-redirect" title="List of basic agriculture topics">Agriculture</a></b>
<ul><li>630 Agriculture & related technologies</li>
<li>631 Specific techniques; apparatus, <a title="Category:Agricultural machinery">equipment</a>, materials</li>
<li>632 Plant injuries, <a title="Category:Plant pathogens and diseases">diseases</a>, <a title="Pest (organism)">pests</a></li>
<li>633 <a title="Field (agriculture)">Field</a> & plantation <a title="Crop">crops</a></li>
<li>634 <a title="Orchard">Orchards</a>, <a title="Fruit">fruits</a>, <a title="Forestry">forestry</a></li>
<li>635 Garden crops (<a title="Horticulture">Horticulture</a>)</li>
<li>636 <a title="Animal husbandry">Animal husbandry</a></li>
<li>637 Processing <a title="Dairy">dairy</a> & related products</li>
<li>638 Insect culture</li>
<li>639 <a title="Hunting">Hunting</a>, <a title="Fishing">fishing</a>, <a title="Wildlife conservation">conservation</a>, related technologies</li></ul></li>
<li><b>640 Home & family management</b>
<ul><li>640 Home & family management</li>
<li>641 <a title="Food">Food</a> & <a title="Drink">drink</a></li>
<li>642 <a title="Meal">Meals</a> & table service</li>
<li>643 <a title="House">Housing</a> & household equipment</li>
<li>644 <a title="Household">Household</a> utilities</li>
<li>645 <a title="Furniture">Household furnishings</a></li>
<li>646 <a title="Sewing">Sewing</a>, <a title="Clothing">clothing</a>, management of personal and family life</li>
<li>647 <a class="mw-redirect" title="Household management">Management of public households</a> (Institutional housekeeping)</li>
<li>648 <a class="mw-redirect" title="Household chore">Housekeeping</a></li>
<li>649 <a class="mw-redirect" title="Child rearing">Child rearing</a>; <a class="mw-redirect" title="Home care">home care</a> of people with disabilities & illnesses</li></ul></li>
<li><b>650 <a title="Management">Management</a> & public relations</b>
<ul><li>650 Management & auxiliary services</li>
<li>651 <a title="Office">Office</a> services</li>
<li>652 Processes of written communication</li>
<li>653 <a title="Shorthand">Shorthand</a></li>
<li>654–656 <i>Not assigned or no longer used</i></li>
<li>657 <a title="Accounting">Accounting</a></li>
<li>658 General management</li>
<li>659 <a title="Advertising">Advertising</a> & <a title="Public relations">public relations</a></li></ul></li>
<li><b>660 <a title="Chemical engineering">Chemical engineering</a></b>
<ul><li>660 Chemical engineering & related technologies</li>
<li>661 Technology of industrial chemicals</li>
<li>662 Technology of <a class="mw-redirect" title="Explosives">explosives</a>, <a class="mw-redirect" title="Fuels">fuels</a>, related products</li>
<li>663 Beverage technology</li>
<li>664 <a title="Food technology">Food technology</a></li>
<li>665 Technology of industrial <a title="Oil">oils</a>, <a title="Fat">fats</a>, <a title="Wax">waxes</a>, gases</li>
<li>666 <a title="Ceramic">Ceramic</a> & allied technologies</li>
<li>667 <a title="Washing">Cleaning</a>, <a title="Pigment">color</a>, coating, related technologies</li>
<li>668 Technology of other organic products</li>
<li>669 <a title="Metallurgy">Metallurgy</a></li></ul></li>
<li><b>670 <a title="Outline of manufacturing">Manufacturing</a></b>
<ul><li>670 Manufacturing</li>
<li>671 <a title="Metalworking">Metalworking</a> processes & primary metal products</li>
<li>672 <a title="Iron">Iron</a>, <a title="Steel">steel</a>, other <a title="Category:Ferrous alloys">iron alloys</a></li>
<li>673 Nonferrous <a title="Metal">metals</a></li>
<li>674 <a class="mw-redirect" title="Timber">Lumber</a> processing, <a title="Wood">wood</a> products, <a title="Cork (material)">cork</a></li>
<li>675 <a title="Leather">Leather</a> & <a title="Fur">fur</a> processing</li>
<li>676 <a title="Pulp and paper industry">Pulp & paper technology</a></li>
<li>677 <a title="Textile">Textiles</a></li>
<li>678 <a title="Elastomer">Elastomers</a> & elastomer products</li>
<li>679 Other products of specific kinds of materials</li></ul></li>
<li><b>680 Manufacture for specific uses</b>
<ul><li>680 Manufacture of products for specific uses</li>
<li>681 <a class="new" title="Precision instrument (page does not exist)">Precision instruments</a> & other devices</li>
<li>682 Small <a title="Forge">forge</a> work (<a title="Blacksmith">Blacksmithing</a>)</li>
<li>683 <a title="Household hardware">Hardware</a> & <a title="Category:Home appliances">household appliances</a></li>
<li>684 Furnishings & home <a title="Workshop">workshops</a></li>
<li>685 Leather & fur goods, & related products</li>
<li>686 <a title="Printing">Printing</a> & related activities</li>
<li>687 Clothing & accessories</li>
<li>688 Other final products, & <a class="mw-redirect" title="Packaging">packaging</a> technology</li>
<li>689 <i>Not assigned or no longer used </i></li></ul></li>
<li><b>690 Construction of <a title="Building">buildings</a></b>
<ul><li>690 Construction of buildings</li>
<li>691 Building materials</li>
<li>692 Auxiliary construction practices</li>
<li>693 Construction in specific types of materials & for specific purposes</li>
<li>694 <a title="Carpentry">Wood construction</a></li>
<li>695 <a title="Roof">Roof</a> covering</li>
<li>696 Utilities</li>
<li>697 <a class="mw-redirect" title="HVAC">Heating</a>, <a class="mw-redirect" title="Ventilating">ventilating</a>, <a class="mw-redirect" title="Air-conditioning">air-conditioning</a> engineering</li>
<li>698 Detail finishing</li>
<li>699 <i>Not assigned or no longer used</i></li></ul></li></ul>
<h2><span id="Class_700_.E2.80.93_Arts_.26_recreation"></span><span class="mw-headline" id="Class_700_–_Arts_&_recreation">Class 700 – Arts & recreation</span></h2>
<ul><li><b>700 <a class="mw-redirect" title="Arts">Arts</a></b>
<ul><li>700 The Arts</li>
<li>701 <a class="mw-redirect" title="Philosophy of art">Philosophy</a> & <a title="Aesthetics">theory</a> of fine & decorative arts</li>
<li>702 Miscellany of fine & decorative arts</li>
<li>703 Dictionaries, encyclopedias, concordances of fine & decorative arts</li>
<li>704 Special topics in fine & decorative arts</li>
<li>705 <a title="Category:Art magazines">Serial publications</a> of fine & decorative arts</li>
<li>706 Organizations & management of fine & decorative arts</li>
<li>707 Education, research, related topics of fine & decorative arts</li>
<li>708 <a title="Category:Art museums and galleries">Galleries, museums, private collections</a> of fine & decorative arts</li>
<li>709 <a title="Art history">History</a>, geographic treatment, biography</li></ul></li>
<li><b>710 Area planning & <a class="mw-redirect" title="Landscape art">landscape architecture</a></b>
<ul><li>710 Area planning & landscape architecture</li>
<li>711 <a title="Urbanism">Area planning</a> (Civic art)</li>
<li>712 <a title="Landscape architecture">Landscape architecture</a> (Landscape design)</li>
<li>713 Landscape architecture of trafficways</li>
<li>714 <a title="Water feature">Water features</a> in landscape architecture</li>
<li>715 <a title="Woody plant">Woody plants</a> in landscape architecture</li>
<li>716 <a title="Herbaceous plant">Herbaceous plants</a> in landscape architecture</li>
<li>717 Structures in landscape architecture</li>
<li>718 Landscape design of cemeteries</li>
<li>719 Natural <a title="Landscape">landscapes</a></li></ul></li>
<li><b>720 <a title="Outline of architecture">Architecture</a></b>
<ul><li>720 Architecture</li>
<li>721 Architectural materials & structural elements</li>
<li>722 Architecture from earliest times to ca. 300</li>
<li>723 Architecture from ca. 300 to 1399</li>
<li>724 Architecture from 1400</li>
<li>725 Public structures</li>
<li>726 <a class="mw-redirect" title="Religious architecture">Buildings for religious & related purposes</a></li>
<li>727 Buildings for educational & research purposes</li>
<li>728 <a title="House">Residential & related buildings</a></li>
<li>729 <a title="Design">Design</a> & <a class="mw-redirect" title="Painter and decorator">decoration</a> of structures & accessories</li></ul></li>
<li><b>730 <a title="Outline of sculpture">Sculpture</a>, ceramics, & metalwork</b>
<ul><li>730 Sculpture & related arts</li>
<li>731 Processes, forms, subjects of sculpture</li>
<li>732 Sculpture from earliest times to ca. 500, sculpture of non-literate peoples</li>
<li>733 <a title="Classical sculpture">Greek, Etruscan, Roman sculpture</a></li>
<li>734 Sculpture from ca. 500 to 1399</li>
<li>735 Sculpture from 1400</li>
<li>736 <a title="Stone carving">Carving</a> & carvings</li>
<li>737 <a title="Numismatics">Numismatics</a> & <a title="Sigillography">sigillography</a></li>
<li>738 <a class="mw-redirect" title="Ceramics (art)">Ceramic arts</a></li>
<li>739 Art metalwork</li></ul></li>
<li><b>740 Graphic arts & <a class="mw-redirect" title="Decorative art">decorative arts</a></b>
<ul><li>740 Graphic arts</li>
<li>741 Drawing & drawings</li>
<li>742 <a title="Perspective (graphical)">Perspective</a> in drawing</li>
<li>743 Drawing & drawings by subject</li>
<li>744 <i>Not assigned or no longer used </i></li>
<li>745 Decorative arts</li>
<li>746 <a title="Textile arts">Textile arts</a></li>
<li>747 <a class="mw-redirect" title="Interior decoration">Interior decoration</a></li>
<li>748 <a title="Glass">Glass</a></li>
<li>749 <a title="Furniture">Furniture</a> & accessories</li></ul></li>
<li><b>750 <a title="Painting">Painting</a></b>
<ul><li>750 Painting & <a title="Category:Paintings">paintings</a></li>
<li>751 Techniques, procedures, apparatus, equipment, materials, forms</li>
<li>752 <a title="Color">Color</a></li>
<li>753 <a title="Symbol">Symbolism</a>, <a title="Allegory">allegory</a>, <a class="mw-redirect" title="Mythology">mythology</a>, <a title="Legend">legend</a></li>
<li>754 <a title="Genre art">Genre paintings</a></li>
<li>755 <a title="Iconography">Religion</a></li>
<li>756 <i>Not assigned or no longer used </i></li>
<li>757 Human figures</li>
<li>758 Nature, architectural subjects & cityscapes, other specific subjects</li>
<li>759 <a title="History of painting">History</a>, geographic treatment, biography</li></ul></li>
<li><b>760 <a title="Printmaking">Printmaking</a> & prints</b>
<ul><li>760 Printmaking & prints</li>
<li>761 Relief processes (<a class="mw-redirect" title="Block printing">Block printing</a>)</li>
<li>762 <i>Not assigned or no longer used </i></li>
<li>763 <a title="Lithography">Lithographic</a> processes (Planographic processes)</li>
<li>764 <a title="Chromolithography">Chromolithography</a> & <a class="mw-redirect" title="Serigraphy">serigraphy</a></li>
<li>765 <a class="new" title="Metal engraving (page does not exist)">Metal engraving</a></li>
<li>766 <a title="Mezzotint">Mezzotinting</a>, aquatinting, & related processes</li>
<li>767 <a title="Etching">Etching</a> & <a title="Drypoint">drypoint</a></li>
<li>768 <i>Not assigned or no longer used </i></li>
<li>769 Prints</li></ul></li>
<li><b>770 <a title="Outline of photography">Photography</a>, computer art, film, video</b>
<ul><li>770 Photography, computer art, cinematography, videography</li>
<li>771 <a title="Category:Photographic techniques">Techniques</a>, procedures, apparatus, <a title="Category:Photography equipment">equipment</a>, materials</li>
<li>772 Metallic salt processes</li>
<li>773 Pigment processes of printing</li>
<li>774 <i>No longer used—formerly <a title="Holography">Holography</a></i></li>
<li>775 <i>No longer used—formerly <a title="Digital photography">Digital photography</a></i></li>
<li>776 <a title="Computer art">Computer art</a> (Digital art)</li>
<li>777 <a title="Cinematography">Cinematography</a> & <a title="Videography">Videography</a></li>
<li>778 Specific fields & special kinds of photography</li>
<li>779 <a title="Category:Photographs">Photographic images</a></li></ul></li>
<li><b>780 <a title="Outline of music">Music</a></b>
<ul><li>780 Music</li>
<li>781 <a title="Music theory">General principles</a> & <a title="Musical form">musical forms</a></li>
<li>782 <a title="Vocal music">Vocal music</a></li>
<li>783 Music for single voices</li>
<li>784 <a title="Musical instrument">Instruments</a> & <a title="Musical ensemble">Instrumental ensembles</a> & their music</li>
<li>785 Ensembles with only one instrument per part</li>
<li>786 <a title="Keyboard instrument">Keyboard</a>, mechanical, electrophonic, percussion instruments</li>
<li>787 <a title="String instrument">Stringed instruments</a> (Chordophones)</li>
<li>788 <a title="Wind instrument">Wind instruments</a> (Aerophones)</li>
<li>789 <i>Unassigned or no longer used </i></li></ul></li>
<li><b>790 <a class="mw-redirect" title="Sports">Sports</a>, games & entertainment</b>
<ul><li>790 Recreational & performing arts</li>
<li>791 Public performances</li>
<li>792 Stage presentations</li>
<li>793 <a class="mw-redirect" title="Indoor games">Indoor games</a> & amusements</li>
<li>794 Indoor games of skill</li>
<li>795 Games of chance</li>
<li>796 Athletic & outdoor sports & games</li>
<li>797 Aquatic & air sports</li>
<li>798 <a class="mw-redirect" title="Equestrian sports">Equestrian sports</a> & animal racing</li>
<li>799 <a title="Fishing">Fishing</a>, <a title="Hunting">hunting</a>, <a title="Shooting">shooting</a></li></ul></li></ul>
<h2><span id="Class_800_.E2.80.93_Literature"></span><span class="mw-headline" id="Class_800_–_Literature">Class 800 – Literature</span></h2>
<ul><li><b>800 <a title="Outline of literature">Literature</a>, <a title="Rhetoric">rhetoric</a> & <a title="Literary criticism">criticism</a></b>
<ul><li>800 Literature (<a title="Belles-lettres">Belles-lettres</a>) & rhetoric</li>
<li>801 Philosophy & theory</li>
<li>802 Miscellany</li>
<li>803 Dictionaries, encyclopedias, concordances</li>
<li>804 <i>Not assigned or no longer used </i></li>
<li>805 <a title="Literary magazine">Serial publications</a></li>
<li>806 Organizations & management</li>
<li>807 Education, research, related topics</li>
<li>808 Rhetoric & collections of literary texts from more than two literatures</li>
<li>809 <a title="History of literature">History</a>, description, critical appraisal of more than two literatures</li></ul></li>
<li><b>810 <a title="American literature">American literature</a> in English</b>
<ul><li>810 American literature in English</li>
<li>811 American <a class="mw-redirect" title="Poetry of the United States">poetry</a> in English</li>
<li>812 American drama in English</li>
<li>813 American fiction in English</li>
<li>814 American essays in English</li>
<li>815 American speeches in English</li>
<li>816 American letters in English</li>
<li>817 American humor & satire in English</li>
<li>818 American miscellaneous writings in English</li>
<li>819 <i>No longer used—formerly Puzzle activities</i></li></ul></li>
<li><b>820 <a title="English literature">English</a> & <a title="Old English literature">Old English literatures</a></b>
<ul><li>820 English & Old English (Anglo-Saxon) literatures</li>
<li>821 English Poetry</li>
<li>822 <a title="English drama">English drama</a>
<ul><li>822.33 <a title="William Shakespeare">William Shakespeare</a></li></ul></li>
<li>823 English fiction</li>
<li>824 English essays</li>
<li>825 English speeches</li>
<li>826 English letters</li>
<li>827 English humor & satire</li>
<li>828 English miscellaneous writings</li>
<li>829 Old English (Anglo-Saxon) literature</li></ul></li>
<li><b>830 <a title="German literature">German</a> & related literatures</b>
<ul><li>830 German literature & literatures of related languages</li>
<li>831 <a class="mw-redirect" title="German poetry">German poetry</a></li>
<li>832 German drama</li>
<li>833 German fiction</li>
<li>834 German essays</li>
<li>835 German speeches</li>
<li>836 German letters</li>
<li>837 German humor & satire</li>
<li>838 German miscellaneous writings</li>
<li>839 Other Germanic literatures</li></ul></li>
<li><b>840 French & related literatures</b>
<ul><li>840 French literature & literatures of related Romance languages</li>
<li>841 <a title="French poetry">French poetry</a></li>
<li>842 French drama</li>
<li>843 French fiction</li>
<li>844 French essays</li>
<li>845 French speeches</li>
<li>846 French letters</li>
<li>847 French humor & satire</li>
<li>848 French miscellaneous writings</li>
<li>849 <a title="Occitan literature">Occitan</a>, <a title="Catalan literature">Catalan</a>, Franco-Provençal literatures</li></ul></li>
<li><b>850 <a title="Italian literature">Italian</a>, <a title="Romanian literature">Romanian</a>, & related literatures</b>
<ul><li>850 Literatures of Italian, Dalmatian, Romanian, Rhaetian, Sardinian, Corsican languages</li>
<li>851 <a title="Italian poetry">Italian poetry</a></li>
<li>852 Italian drama</li>
<li>853 Italian fiction</li>
<li>854 Italian essays</li>
<li>855 Italian speeches</li>
<li>856 Italian letters</li>
<li>857 Italian humor & satire</li>
<li>858 Italian miscellaneous writings</li>
<li>859 Literatures of Romanian, Rhaetian, Sardinian, Corsican languages</li></ul></li>
<li><b>860 <a title="Spanish literature">Spanish</a>, <a title="Portuguese literature">Portuguese</a>, Galician literatures</b>
<ul><li>860 Literatures of Spanish, Portuguese, Galician languages</li>
<li>861 <a title="Spanish poetry">Spanish poetry</a></li>
<li>862 Spanish drama</li>
<li>863 Spanish fiction</li>
<li>864 Spanish essays</li>
<li>865 Spanish speeches</li>
<li>866 Spanish letters</li>
<li>867 Spanish humor & satire</li>
<li>868 Spanish miscellaneous writings</li>
<li>869 Literatures of Portuguese & Galician languages</li></ul></li>
<li><b>870 <a title="Latin literature">Latin</a> & Italic literatures</b>
<ul><li>870 Latin literature & literatures of related Italic languages</li>
<li>871 <a title="Latin poetry">Latin poetry</a></li>
<li>872 Latin dramatic poetry & drama</li>
<li>873 Latin epic poetry & fiction</li>
<li>874 Latin lyric poetry</li>
<li>875 Latin speeches</li>
<li>876 Latin letters</li>
<li>877 Latin humor & satire</li>
<li>878 Latin miscellaneous writings</li>
<li>879 Literatures of other Italic languages</li></ul></li>
<li><b>880 Classical & modern Greek literatures</b>
<ul><li>880 Classical Greek literature & literatures of related Hellenic languages</li>
<li>881 Classical Greek poetry</li>
<li>882 Classical Greek drama</li>
<li>883 Classical Greek epic poetry & fiction</li>
<li>884 Classical Greek lyric poetry</li>
<li>885 Classical Greek speeches</li>
<li>886 Classical Greek letters</li>
<li>887 Classical Greek humor & satire</li>
<li>888 Classical Greek miscellaneous writings</li>
<li>889 <a title="Modern Greek literature">Modern Greek literature</a></li></ul></li>
<li><b>890 Other literatures</b>
<ul><li>890 Literatures of other specific languages and language families</li>