DDC
DDC
Dewey Decimal Classification
Global Journals (37 International Peer Reviewed Journals since 2001) Submit Research Paper Click Here Now
- 000 – Computer science, knowledge & systems
- 010 – Bibliographies
- 020 – Library & information science
- 030 – Encyclopedias & books of facts
- 040 – [Unassigned]
- 050 – Magazines, journals & serials
- 060 – Associations, organizations & museums
- 070 – News media, journalism & publishing
- 080 – Quotations
- 090 – Manuscripts & rare books
- 100 – Philosophy
- 110 – Metaphysics
- 120 – Epistemology
- 130 – Parapsychology & occultism
- 140 – Philosophical schools of thought
- 150 – Psychology
- 160 – Logic
- 170 – Ethics
- 180 – Ancient, medieval & Eastern philosophy
- 190 – Modern western philosophy
- 200 – Religion
- 210 – Philosophy & theory of religion
- 220 – The Bible
- 230 – Christianity & Christian theology
- 240 – Christian practice & observance
- 250 – Christian pastoral practice & religious orders
- 260 – Christian organization, social work & worship
- 270 – History of Christianity
- 280 – Christian denominations
- 290 – Other religions
- 300 – Social sciences, sociology & anthropology
- 310 – Statistics
- 320 – Political science
- 330 – Economics
- 340 – Law
- 350 – Public administration & military science
- 360 – Social problems & social services
- 370 – Education
- 380 – Commerce, communications & transportation
- 390 – Customs, etiquette & folklore
- 400 – Language
- 410 – Linguistics
- 420 – English & Old English languages
- 430 – German & related languages
- 440 – French & related languages
- 450 – Italian, Romanian & related languages
- 460 – Spanish & Portuguese languages
- 470 – Latin & Italic languages
- 480 – Classical & modern Greek languages
- 490 – Other languages
- 500 – Science
- 510 – Mathematics
- 520 – Astronomy
- 530 – Physics
- 540 – Chemistry
- 550 – Earth sciences & geology
- 560 – Fossils & prehistoric life
- 570 – Life sciences; biology
- 580 – Plants (Botany)
- 590 – Animals (Zoology)
- 600 – Technology
- 610 – Medicine & health
- 620 – Engineering
- 630 – Agriculture
- 640 – Home & family management
- 650 – Management & public relations
- 660 – Chemical engineering
- 670 – Manufacturing
- 680 – Manufacture for specific uses
- 690 – Building & construction
- 700 – Arts
- 710 – Landscaping & area planning
- 720 – Architecture
- 730 – Sculpture, ceramics & metalwork
- 740 – Drawing & decorative arts
- 750 – Painting
- 760 – Graphic arts
- 770 – Photography
- 780 – Music
- 790 – Sports, games & entertainment
- 800 – Literature, rhetoric & criticism
- 810 – American literature in English
- 820 – English & Old English literatures
- 830 – German & related literatures
- 840 – French & related literatures
- 850 – Italian, Romanian & related literatures
- 860 – Spanish & Portuguese literatures
- 870 – Latin & Italic literatures
- 880 – Classical & modern Greek literatures
- 890 – Other literatures
- 900 – History
- 910 – Geography & travel
- 920 – Biography & genealogy
- 930 – History of the ancient world (to ca. 499)
- 940 – History of Europe
- 950 – History of Asia
- 960 – History of Africa
- 970 – History of North America
- 980 – History of South America
- 990 – History of other areas
First Summary
- 000 – Computer science, information & general works
- 100 – Philosophy & psychology
- 200 – Religion
- 300 – Social sciences
- 400 – Language
- 500 – Science
- 600 – Technology
- 700 – Arts & recreation
- 800 – Literature
- 900 – History & geography
Second Summary
The Hundred Divisions
- 000 – Computer science, knowledge & systems
- 010 – Bibliographies
- 020 – Library & information sciences
- 030 – Encyclopedias & books of facts
- 040 – [Unassigned]
- 050 – Magazines, journals & serials
- 060 – Associations, organizations & museums
- 070 – News media, journalism & publishing
- 080 – Quotations
- 090 – Manuscripts & rare books
- 100 – Philosophy
- 110 – Metaphysics
- 120 – Epistemology
- 130 – Parapsychology & occultism
- 140 – Philosophical schools of thought
- 150 – Psychology
- 160 – Logic
- 170 – Ethics
- 180 – Ancient, medieval & eastern philosophy
- 190 – Modern western philosophy
- 200 – Religion
- 210 – Philosophy & theory of religion
- 220 – The Bible
- 230 – Christianity & Christian theology
- 240 – Christian practice & observance
- 250 – Christian pastoral practice & religious orders
- 260 – Christian organization, social work & worship
- 270 – History of Christianity
- 280 – Christian denominations
- 290 – Other religions
- 300 – Social sciences, sociology & anthropology
- 310 – Statistics
- 320 – Political science
- 330 – Economics
- 340 – Law
- 350 – Public administration & military science
- 360 – Social problems & social services
- 370 – Education
- 380 – Commerce, communications & transportation
- 390 – Customs, etiquette & folklore
- 400 – Language
- 410 – Linguistics
- 420 – English & Old English languages
- 430 – German & related languages
- 440 – French & related languages
- 450 – Italian, Romanian & related languages
- 460 – Spanish & Portuguese languages
- 470 – Latin & Italic languages
- 480 – Classical & modern Greek languages
- 490 – Other languages
- 500 – Science
- 510 – Mathematics
- 520 – Astronomy
- 530 – Physics
- 540 – Chemistry
- 550 – Earth sciences & geology
- 560 – Fossils & prehistoric life
- 570 – Life sciences; biology
- 580 – Plants (Botany)
- 590 – Animals (Zoology)
- 600 – Technology
- 610 – Medicine & health
- 620 – Engineering
- 630 – Agriculture
- 640 – Home & family management
- 650 – Management & public relations
- 660 – Chemical engineering
- 670 – Manufacturing
- 680 – Manufacture for specific uses
- 690 – Building & construction
- 700 – Arts
- 710 – Landscaping & area planning
- 720 – Architecture
- 730 – Sculpture, ceramics & metalwork
- 740 – Drawing & decorative arts
- 750 – Painting
- 760 – Graphic arts
- 770 – Photography & computer art
- 780 – Music
- 790 – Sports, games & entertainment
- 800 – Literature, rhetoric & criticism
- 810 – American literature in English
- 820 – English & Old English literatures
- 830 – German & related literatures
- 840 – French & related literatures
- 850 – Italian, Romanian & related literatures
- 860 – Spanish & Portuguese literatures
- 870 – Latin & Italic literatures
- 880 – Classical & modern Greek literatures
- 890 – Other literatures
- 900 – History
- 910 – Geography & travel
- 920 – Biography & genealogy
- 930 – History of the ancient world (to ca. 499)
- 940 – History of Europe
- 950 – History of Asia
- 960 – History of Africa
- 970 – History of North America
- 980 – History of South America
- 990 – History of other areas
Third Summary
The Thousand Sections
Global Journals (37 International Peer Reviewed Journals since 2001) Submit Research Paper Now
000 Computer science, information & general works
001 Knowledge
002 The book
003 Systems
004 Data processing & computer science
005 Computer programming, programs & data
006 Special computer methods
007 [Unassigned]
008 [Unassigned]
009 [Unassigned]
010 Bibliography
011 Bibliographies
012 Bibliographies of individuals
013 [Unassigned]
014 Of anonymous & pseudonymous works
015 Bibliographies of works from specific places
016 Bibliographies of works on specific subjects
017 General subject catalogs
018 Catalogs arranged by author, date, etc.
019 Dictionary catalogs
020 Library & information sciences
021 Library relationships
022 Administration of physical plant
023 Personnel management
024 [Unassigned]
025 Library operations
026 Libraries for specific subjects
027 General libraries
028 Reading & use of other information media
029 [Unassigned]
030 General encyclopedic works
031 Encyclopedias in American English
032 Encyclopedias in English
033 In other Germanic languages
034 Encyclopedias in French, Occitan & Catalan
035 In Italian, Romanian & related languages
036 Encyclopedias in Spanish & Portuguese
037 Encyclopedias in Slavic languages
038 Encyclopedias in Scandinavian languages
039 Encyclopedias in other languages
040 [Unassigned]
041 [Unassigned]
042 [Unassigned]
043 [Unassigned]
044 [Unassigned]
045 [Unassigned]
046 [Unassigned]
047 [Unassigned]
048 [Unassigned]
049 [Unassigned]
050 General serial publications
051 Serials in American English
052 Serials in English
053 Serials in other Germanic languages
054 Serials in French, Occitan & Catalan
055 In Italian, Romanian & related languages
056 Serials in Spanish & Portuguese
057 Serials in Slavic languages
058 Serials in Scandinavian languages
059 Serials in other languages
060 General organizations & museum science
061 Organizations in North America
062 Organizations in British Isles; in England
063 Organizations in central Europe; in Germany
064 Organizations in France & Monaco
065 Organizations in Italy & adjacent islands
066 In Iberian Peninsula & adjacent islands
067 Organizations in eastern Europe; in Russia
068 Organizations in other geographic areas
069 Museum science
070 News media, journalism & publishing
071 Newspapers in North America
072 Newspapers in British Isles; in England
073 Newspapers in central Europe; in Germany
074 Newspapers in France & Monaco
075 Newspapers in Italy & adjacent islands
076 In Iberian Peninsula & adjacent islands
077 Newspapers in eastern Europe; in Russia
078 Newspapers in Scandinavia
079 Newspapers in other geographic areas
080 General collections
081 Collections in American English
082 Collections in English
083 Collections in other Germanic languages
084 Collections in French, Occitan & Catalan
085 In Italian, Romanian & related languages
086 Collections in Spanish & Portuguese
087 Collections in Slavic languages
088 Collections in Scandinavian languages
089 Collections in other languages
090 Manuscripts & rare books
091 Manuscripts
092 Block books
093 Incunabula
094 Printed books
095 Books notable for bindings
096 Books notable for illustrations
097 Books notable for ownership or origin
098 Prohibited works, forgeries & hoaxes
099 Books notable for format
Global Journals (37 International Peer Reviewed Journals since 2001) Submit Research Paper Now
- 100 – Philosophy & psychology
- 101 – Theory of philosophy
- 102 – Miscellany
- 103 – Dictionaries & encyclopedias
- 104 – [Unassigned]
- 105 – Serial publications
- 106 – Organizations & management
- 107 – Education, research & related topics
- 108 – Kinds of persons treatment
- 109 – Historical & collected persons treatment
- 110 – Metaphysics
- 111 – Ontology
- 112 – [Unassigned]
- 113 – Cosmology
- 114 – Space
- 115 – Time
- 116 – Change
- 117 – Structure
- 118 – Force & energy
- 119 – Number & quantity
- 120 – Epistemology, causation & humankind
- 121 – Epistemology
- 122 – Causation
- 123 – Determinism & indeterminism
- 124 – Teleology
- 125 – [Unassigned]
- 126 – The self
- 127 – The unconscious & the subconscious
- 128 – Humankind
- 129 – Origin & destiny of individual souls
- 130 – Parapsychology & occultism
- 131 – Parapsychological & occult methods
- 132 – [Unassigned]
- 133 – Specific topics in parapsychology & occultism
- 134 – [Unassigned]
- 135 – Dreams & mysteries
- 136 – [Unassigned]
- 137 – Divinatory graphology
- 138 – Physiognomy
- 139 – Phrenology
- 140 – Specific philosophical schools
- 141 – Idealism & related systems
- 142 – Critical philosophy
- 143 – Bergsonism & intuitionism
- 144 – Humanism & related systems
- 145 – Sensationalism
- 146 – Naturalism & related systems
- 147 – Pantheism & related systems
- 148 – Eclecticism, liberalism & traditionalism
- 149 – Other philosophical systems
- 150 – Psychology
- 151 – [Unassigned]
- 152 – Perception, movement, emotions & drives
- 153 – Mental processes & intelligence
- 154 – Subconscious & altered states
- 155 – Differential & developmental psychology
- 156 – Comparative psychology
- 157 – [Unassigned]
- 158 – Applied psychology
- 159 – [Unassigned]
- 160 – Logic
- 161 – Induction
- 162 – Deduction
- 163 – [Unassigned]
- 164 – [Unassigned]
- 165 – Fallacies & sources of error
- 166 – Syllogisms
- 167 – Hypotheses
- 168 – Argument & persuasion
- 169 – Analogy
- 170 – Ethics
- 171 – Ethical systems
- 172 – Political ethics
- 173 – Ethics of family relationships
- 174 – Occupational ethics
- 175 – Ethics of recreation & leisure
- 176 – Ethics of sex & reproduction
- 177 – Ethics of social relations
- 178 – Ethics of consumption
- 179 – Other ethical norms
- 180 – Ancient, medieval & eastern philosophy
- 181 – Eastern philosophy
- 182 – Pre-Socratic Greek philosophies
- 183 – Socratic & related philosophies
- 184 – Platonic philosophy
- 185 – Aristotelian philosophy
- 186 – Skeptic & Neoplatonic philosophies
- 187 – Epicurean philosophy
- 188 – Stoic philosophy
- 189 – Medieval western philosophy
- 190 – Modern western philosophy
- 191 – Philosophy of United States & Canada
- 192 – Philosophy of British Isles
- 193 – Philosophy of Germany & Austria
- 194 – Philosophy of France
- 195 – Philosophy of Italy
- 196 – Philosophy of Spain & Portugal
- 197 – Philosophy of former Soviet Union
- 198 – Philosophy of Scandinavia
- 199 – Philosophy in other geographic areas
200 – 299
- 200 – Religion
- 201 – Religious mythology & social theology
- 202 – Doctrines
- 203 – Public worship & other practices
- 204 – Religious experience, life & practice
- 205 – Religious ethics
- 206 – Leaders & organization
- 207 – Missions & religious education
- 208 – Sources
- 209 – Sects & reform movements
- 210 – Philosophy & theory of religion
- 211 – Concepts of God
- 212 – Existence, knowability & attributes of God
- 213 – Creation
- 214 – Theodicy
- 215 – Science & religion
- 216 – [Unassigned]
- 217 – [Unassigned]
- 218 – Humankind
- 219 – [Unassigned]
- 220 – Bible
- 221 – Old Testament (Tanakh)
- 222 – Historical books of Old Testament
- 223 – Poetic books of Old Testament
- 224 – Prophetic books of Old Testament
- 225 – New Testament
- 226 – Gospels & Acts
- 227 – Epistles
- 228 – Revelation (Apocalypse)
- 229 – Apocrypha & pseudepigrapha
- 230 – Christianity & Christian theology
- 231 – God
- 232 – Jesus Christ & his family
- 233 – Humankind
- 234 – Salvation & grace
- 235 – Spiritual beings
- 236 – Eschatology
- 237 – [Unassigned]
- 238 – Creeds & catechisms
- 239 – Apologetics & polemics
- 240 – Christian moral & devotional theology
- 241 – Christian ethics
- 242 – Devotional literature
- 243 – Evangelistic writings for individuals
- 244 – [Unassigned]
- 245 – [Unassigned]
- 246 – Use of art in Christianity
- 247 – Church furnishings & articles
- 248 – Christian experience, practice & life
- 249 – Christian observances in family life
- 250 – Christian orders & local church
- 251 – Preaching
- 252 – Texts of sermons
- 253 – Pastoral office & work
- 254 – Parish administration
- 255 – Religious congregations & orders
- 256 – [Unassigned]
- 257 – [Unassigned]
- 258 – [Unassigned]
- 259 – Pastoral care of families & kinds of persons
- 260 – Social & ecclesiastical theology
- 261 – Social theology
- 262 – Ecclesiology
- 263 – Days, times & places of observance
- 264 – Public worship
- 265 – Sacraments, other rites & acts
- 266 – Missions
- 267 – Associations for religious work
- 268 – Religious education
- 269 – Spiritual renewal
- 270 – History of Christianity & Christian church
- 271 – Religious orders in church history
- 272 – Persecutions in church history
- 273 – Doctrinal controversies & heresies
- 274 – History of Christianity in Europe
- 275 – History of Christianity in Asia
- 276 – History of Christianity in Africa
- 277 – History of Christianity in North America
- 278 – History of Christianity in South America
- 279 – History of Christianity in other areas
- 280 – Christian denominations & sects
- 281 – Early church & Eastern churches
- 282 – Roman Catholic Church
- 283 – Anglican churches
- 284 – Protestants of Continental origin
- 285 – Presbyterian, Reformed & Congregational
- 286 – Baptist, Disciples of Christ & Adventist
- 287 – Methodist & related churches
- 288 – [Unassigned]
- 289 – Other denominations & sects
- 290 – Other religions
- 291 – [Unassigned]
- 292 – Greek & Roman religion
- 293 – Germanic religion
- 294 – Religions of Indic origin
- 295 – Zoroastrianism
- 296 – Judaism
- 297 – Islam, Babism & Bahai Faith
- 298 – (Optional number)
- 299 – Religions not provided for elsewhere
300 – 399
- 300 – Social sciences
- 301 – Sociology & anthropology
- 302 – Social interaction
- 303 – Social processes
- 304 – Factors affecting social behavior
- 305 – Social groups
- 306 – Culture & institutions
- 307 – Communities
- 308 – [Unassigned]
- 309 – [Unassigned]
- 310 – Collections of general statistics
- 311 – [Unassigned]
- 312 – [Unassigned]
- 313 – [Unassigned]
- 314 – General statistics of Europe
- 315 – General statistics of Asia
- 316 – General statistics of Africa
- 317 – General statistics of North America
- 318 – General statistics of South America
- 319 – General statistics of other areas
- 320 – Political science
- 321 – Systems of governments & states
- 322 – Relation of state to organized groups
- 323 – Civil & political rights
- 324 – The political process
- 325 – International migration & colonization
- 326 – Slavery & emancipation
- 327 – International relations
- 328 – The legislative process
- 329 – [Unassigned]
- 330 – Economics
- 331 – Labor economics
- 332 – Financial economics
- 333 – Economics of land & energy
- 334 – Cooperatives
- 335 – Socialism & related systems
- 336 – Public finance
- 337 – International economics
- 338 – Production
- 339 – Macroeconomics & related topics
- 340 – Law
- 341 – Law of nations
- 342 – Constitutional & administrative law
- 343 – Military, tax, trade & industrial law
- 344 – Labor, social, education & cultural law
- 345 – Criminal law
- 346 – Private law
- 347 – Civil procedure & courts
- 348 – Laws, regulations & cases
- 349 – Law of specific jurisdictions & areas
- 350 – Public administration & military science
- 351 – Public administration
- 352 – General considerations of public administration
- 353 – Specific fields of public administration
- 354 – Administration of economy & environment
- 355 – Military science
- 356 – Infantry forces & warfare
- 357 – Mounted forces & warfare
- 358 – Air & other specialized forces
- 359 – Sea forces & warfare
- 360 – Social problems & services; associations
- 361 – Social problems & social welfare in general
- 362 – Social welfare problems & services
- 363 – Other social problems & services
- 364 – Criminology
- 365 – Penal & related institutions
- 366 – Associations
- 367 – General clubs
- 368 – Insurance
- 369 – Miscellaneous kinds of associations
- 370 – Education
- 371 – Schools & their activities; special education
- 372 – Elementary education
- 373 – Secondary education
- 374 – Adult education
- 375 – Curricula
- 376 – [Unassigned]
- 377 – [Unassigned]
- 378 – Higher education
- 379 – Public policy issues in education
- 380 – Commerce, communications & transportation
- 381 – Commerce
- 382 – International commerce
- 383 – Postal communication
- 384 – Communications; telecommunication
- 385 – Railroad transportation
- 386 – Inland waterway & ferry transportation
- 387 – Water, air & space transportation
- 388 – Transportation; ground transportation
- 389 – Metrology & standardization
- 390 – Customs, etiquette & folklore
- 391 – Costume & personal appearance
- 392 – Customs of life cycle & domestic life
- 393 – Death customs
- 394 – General customs
- 395 – Etiquette (Manners)
- 396 – [Unassigned]
- 397 – [Unassigned]
- 398 – Folklore
- 399 – Customs of war & diplomacy
400- 499
- 400 – Language
- 401 – Philosophy & theory
- 402 – Miscellany
- 403 – Dictionaries & encyclopedias
- 404 – Special topics
- 405 – Serial publications
- 406 – Organizations & management
- 407 – Education, research & related topics
- 408 – Kinds of persons treatment
- 409 – Geographic & persons treatment
- 410 – Linguistics
- 411 – Writing systems
- 412 – Etymology
- 413 – Dictionaries
- 414 – Phonology & phonetics
- 415 – Grammar
- 416 – [Unassigned]
- 417 – Dialectology & historical linguistics
- 418 – Standard usage & applied linguistics
- 419 – Sign languages
- 420 – English & Old English
- 421 – English writing system & phonology
- 422 – English etymology
- 423 – English dictionaries
- 424 – [Unassigned]
- 425 – English grammar
- 426 – [Unassigned]
- 427 – English language variations
- 428 – Standard English usage
- 429 – Old English (Anglo-Saxon)
- 430 – Germanic languages; German
- 431 – German writing systems & phonology
- 432 – German etymology
- 433 – German dictionaries
- 434 – [Unassigned]
- 435 – German grammar
- 436 – [Unassigned]
- 437 – German language variations
- 438 – Standard German usage
- 439 – Other Germanic languages
- 440 – Romance languages; French
- 441 – French writing systems & phonology
- 442 – French etymology
- 443 – French dictionaries
- 444 – [Unassigned]
- 445 – French grammar
- 446 – [Unassigned]
- 447 – French language variations
- 448 – Standard French usage
- 449 – Occitan & Catalan
- 450 – Italian, Romanian & related languages
- 451 – Italian writing systems & phonology
- 452 – Italian etymology
- 453 – Italian dictionaries
- 454 – [Unassigned]
- 455 – Italian grammar
- 456 – [Unassigned]
- 457 – Italian language variations
- 458 – Standard Italian usage
- 459 – Romanian & related languages
- 460 – Spanish & Portuguese languages
- 461 – Spanish writing systems & phonology
- 462 – Spanish etymology
- 463 – Spanish dictionaries
- 464 – [Unassigned]
- 465 – Spanish grammar
- 466 – [Unassigned]
- 467 – Spanish language variations
- 468 – Standard Spanish usage
- 469 – Portuguese
- 470 – Italic languages; Latin
- 471 – Classical Latin writing & phonology
- 472 – Classical Latin etymology
- 473 – Classical Latin dictionaries
- 474 – [Unassigned]
- 475 – Classical Latin grammar
- 476 – [Unassigned]
- 477 – Old, postclassical & Vulgar Latin
- 478 – Classical Latin usage
- 479 – Other Italic languages
- 480 – Hellenic languages; classical Greek
- 481 – Classical Greek writing & phonology
- 482 – Classical Greek etymology
- 483 – Classical Greek dictionaries
- 484 – [Unassigned]
- 485 – Classical Greek grammar
- 486 – [Unassigned]
- 487 – Preclassical & postclassical Greek
- 488 – Classical Greek usage
- 489 – Other Hellenic languages
- 490 – Other languages
- 491 – East Indo-European & Celtic languages
- 492 – Afro-Asiatic languages; Semitic languages
- 493 – Non-Semitic Afro-Asiatic languages
- 494 – Altaic, Uralic, Hyperborean & Dravidian
- 495 – Languages of East & Southeast Asia
- 496 – African languages
- 497 – North American native languages
- 498 – South American native languages
- 499 – Austronesian & other languages
500 – 599
- 500 – Natural Sciences and Mathematics
- 501 – Philosophy & theory
- 502 – Miscellany
- 503 – Dictionaries & encyclopedias
- 504 – [Unassigned]
- 505 – Serial publications
- 506 – Organizations & management
- 507 – Education, research & related topics
- 508 – Natural history
- 509 – Historical, geographic & persons treatment
- 510 – Mathematics
- 511 – General principles of mathematics
- 512 – Algebra
- 513 – Arithmetic
- 514 – Topology
- 515 – Analysis
- 516 – Geometry
- 517 – [Unassigned]
- 518 – Numerical analysis
- 519 – Probabilities & applied mathematics
- 520 – Astronomy & allied sciences
- 521 – Celestial mechanics
- 522 – Techniques, equipment & materials
- 523 – Specific celestial bodies & phenomena
- 524 – [Unassigned]
- 525 – Earth (Astronomical geography)
- 526 – Mathematical geography
- 527 – Celestial navigation
- 528 – Ephemerides
- 529 – Chronology
- 530 – Physics
- 531 – Classical mechanics; solid mechanics
- 532 – Fluid mechanics; liquid mechanics
- 533 – Gas mechanics
- 534 – Sound & related vibrations
- 535 – Light & infrared & ultraviolet phenomena
- 536 – Heat
- 537 – Electricity & electronics
- 538 – Magnetism
- 539 – Modern physics
- 540 – Chemistry & allied sciences
- 541 – Physical chemistry
- 542 – Techniques, equipment & materials
- 543 – Analytical chemistry
- 544 – [Unassigned]
- 545 – [Unassigned]
- 546 – Inorganic chemistry
- 547 – Organic chemistry
- 548 – Crystallography
- 549 – Mineralogy
- 550 – Earth sciences
- 551 – Geology, hydrology & meteorology
- 552 – Petrology
- 553 – Economic geology
- 554 – Earth sciences of Europe
- 555 – Earth sciences of Asia
- 556 – Earth sciences of Africa
- 557 – Earth sciences of North America
- 558 – Earth sciences of South America
- 559 – Earth sciences of other areas
- 560 – Paleontology; paleozoology
- 561 – Paleobotany; fossil microorganisms
- 562 – Fossil invertebrates
- 563 – Fossil marine & seashore invertebrates
- 564 – Fossil mollusks & molluscoids
- 565 – Fossil arthropods
- 566 – Fossil chordates
- 567 – Fossil cold-blooded vertebrates; fossil fishes
- 568 – Fossil birds
- 569 – Fossil mammals
- 570 – Life sciences; biology
- 571 – Physiology & related subjects
- 572 – Biochemistry
- 573 – Specific physiological systems in animals
- 574 – [Unassigned]
- 575 – Specific parts of & systems in plants
- 576 – Genetics & evolution
- 577 – Ecology
- 578 – Natural history of organisms
- 579 – Microorganisms, fungi & algae
- 580 – Plants (Botany)
- 581 – Specific topics in natural history
- 582 – Plants noted for characteristics & flowers
- 583 – Dicotyledons
- 584 – Monocotyledons
- 585 – Gymnosperms; conifers
- 586 – Seedless plants
- 587 – Vascular seedless plants
- 588 – Bryophytes
- 589 – [Unassigned]
- 590 – Animals (Zoology)
- 591 – Specific topics in natural history
- 592 – Invertebrates
- 593 – Marine & seashore invertebrates
- 594 – Mollusks & molluscoids
- 595 – Arthropods
- 596 – Chordates
- 597 – Cold-blooded vertebrates; fishes
- 598 – Birds
- 599 – Mammals
600- 699
- 600 – Technology
- 601 – Philosophy & theory
- 602 – Miscellany
- 603 – Dictionaries & encyclopedias
- 604 – Special topics
- 605 – Serial publications
- 606 – Organizations
- 607 – Education, research & related topics
- 608 – Inventions & patents
- 609 – Historical, geographic & persons treatment
- 610 – Medicine & health
- 611 – Human anatomy, cytology & histology
- 612 – Human physiology
- 613 – Personal health & safety
- 614 – Incidence & prevention of disease
- 615 – Pharmacology & therapeutics
- 616 – Diseases
- 617 – Surgery & related medical specialties
- 618 – Gynecology, obstetrics, pediatrics & geriatrics
- 619 – [Unassigned]
- 620 – Engineering & allied operations
- 621 – Applied physics
- 622 – Mining & related operations
- 623 – Military & nautical engineering
- 624 – Civil engineering
- 625 – Engineering of railroads & roads
- 626 – [Unassigned]
- 627 – Hydraulic engineering
- 628 – Sanitary & municipal engineering
- 629 – Other branches of engineering
- 630 – Agriculture & related technologies
- 631 – Techniques, equipment & materials
- 632 – Plant injuries, diseases & pests
- 633 – Field & plantation crops
- 634 – Orchards, fruits & forestry
- 635 – Garden crops (Horticulture)
- 636 – Animal husbandry
- 637 – Processing dairy & related products
- 638 – Insect culture
- 639 – Hunting, fishing & conservation
- 640 – Home & family management
- 641 – Food & drink
- 642 – Meals & table service
- 643 – Housing & household equipment
- 644 – Household utilities
- 645 – Household furnishings
- 646 – Sewing, clothing & personal living
- 647 – Management of public households
- 648 – Housekeeping
- 649 – Child rearing & home care of persons
- 650 – Management & auxiliary services
- 651 – Office services
- 652 – Processes of written communication
- 653 – Shorthand
- 654 – [Unassigned]
- 655 – [Unassigned]
- 656 – [Unassigned]
- 657 – Accounting
- 658 – General management
- 659 – Advertising & public relations
- 660 – Chemical engineering
- 661 – Industrial chemicals
- 662 – Explosives, fuels & related products
- 663 – Beverage technology
- 664 – Food technology
- 665 – Industrial oils, fats, waxes & gases
- 666 – Ceramic & allied technologies
- 667 – Cleaning, color & coating technologies
- 668 – Technology of other organic products
- 669 – Metallurgy
- 670 – Manufacturing
- 671 – Metalworking & primary metal products
- 672 – Iron, steel & other iron alloys
- 673 – Nonferrous metals
- 674 – Lumber processing, wood products & cork
- 675 – Leather & fur processing
- 676 – Pulp & paper technology
- 677 – Textiles
- 678 – Elastomers & elastomer products
- 679 – Other products of specific materials
- 680 – Manufacture for specific uses
- 681 – Precision instruments & other devices
- 682 – Small forge work (Blacksmithing)
- 683 – Hardware & household appliances
- 684 – Furnishings & home workshops
- 685 – Leather, fur goods & related products
- 686 – Printing & related activities
- 687 – Clothing & accessories
- 688 – Other final products & packaging
- 689 – [Unassigned]
- 690 – Buildings
- 691 – Building materials
- 692 – Auxiliary construction practices
- 693 – Specific materials & purposes
- 694 – Wood construction & carpentry
- 695 – Roof covering
- 696 – Utilities
- 697 – Heating, ventilating & air-conditioning
- 698 – Detail finishing
- 699 – [Unassigned]
700 – 799
- 700 – The arts; fine & decorative arts
- 701 – Philosophy of fine & decorative arts
- 702 – Miscellany of fine & decorative arts
- 703 – Dictionaries of fine & decorative arts
- 704 – Special topics in fine & decorative arts
- 705 – Serial publications of fine & decorative arts
- 706 – Organizations & management
- 707 – Education, research & related topics
- 708 – Galleries, museums & private collections
- 709 – Historical, geographic & persons treatment
- 710 – Civic & landscape art
- 711 – Area planning
- 712 – Landscape architecture
- 713 – Landscape architecture of trafficways
- 714 – Water features
- 715 – Woody plants
- 716 – Herbaceous plants
- 717 – Structures in landscape architecture
- 718 – Landscape design of cemeteries
- 719 – Natural landscapes
- 720 – Architecture
- 721 – Architectural structure
- 722 – Architecture to ca. 300
- 723 – Architecture from ca. 300 to 1399
- 724 – Architecture from 1400
- 725 – Public structures
- 726 – Buildings for religious purposes
- 727 – Buildings for education & research
- 728 – Residential & related buildings
- 729 – Design & decoration
- 730 – Plastic arts; sculpture
- 731 – Processes, forms & subjects of sculpture
- 732 – Sculpture to ca. 500
- 733 – Greek, Etruscan & Roman sculpture
- 734 – Sculpture from ca. 500 to 1399
- 735 – Sculpture from 1400
- 736 – Carving & carvings
- 737 – Numismatics & sigillography
- 738 – Ceramic arts
- 739 – Art metalwork
- 740 – Drawing & decorative arts
- 741 – Drawing & drawings
- 742 – Perspective
- 743 – Drawing & drawings by subject
- 744 – [Unassigned]
- 745 – Decorative arts
- 746 – Textile arts
- 747 – Interior decoration
- 748 – Glass
- 749 – Furniture & accessories
- 750 – Painting & paintings
- 751 – Techniques, equipment, materials & forms
- 752 – Color
- 753 – Symbolism, allegory, mythology & legend
- 754 – Genre paintings
- 755 – Religion
- 756 – [Unassigned]
- 757 – Human figures
- 758 – Other subjects
- 759 – Historical, geographic & persons treatment
- 760 – Graphic arts; printmaking & prints
- 761 – Relief processes (Block printing)
- 762 – [Unassigned]
- 763 – Lithographic processes
- 764 – Chromolithography & serigraphy
- 765 – Metal engraving
- 766 – Mezzotinting, aquatinting & related processes
- 767 – Etching & drypoint
- 768 – [Unassigned]
- 769 – Prints
- 770 – Photography, photographs & computer art
- 771 – Techniques, equipment & materials
- 772 – Metallic salt processes
- 773 – Pigment processes of printing
- 774 – Holography
- 775 – Digital photography
- 776 – Computer art (Digital art)
- 777 – [Unassigned]
- 778 – Fields & kinds of photography
- 779 – Photographs
- 780 – Music
- 781 – General principles & musical forms
- 782 – Vocal music
- 783 – Music for single voices; the voice
- 784 – Instruments & instrumental ensembles
- 785 – Ensembles with one instrument per part
- 786 – Keyboard & other instruments
- 787 – Stringed instruments
- 788 – Wind instruments
- 789 – (Optional number)
- 790 – Recreational & performing arts
- 791 – Public performances
- 792 – Stage presentations
- 793 – Indoor games & amusements
- 794 – Indoor games of skill
- 795 – Games of chance
- 796 – Athletic & outdoor sports & games
- 797 – Aquatic & air sports
- 798 – Equestrian sports & animal racing
- 799 – Fishing, hunting & shooting
800- 899
- 800 – Literature & rhetoric
- 801 – Philosophy & theory
- 802 – Miscellany
- 803 – Dictionaries & encyclopedias
- 804 – [Unassigned]
- 805 – Serial publications
- 806 – Organizations & management
- 807 – Education, research & related topics
- 808 – Rhetoric & collections of literature
- 809 – History, description & criticism
- 810 – American literature in English
- 811 – American poetry in English
- 812 – American drama in English
- 813 – American fiction in English
- 814 – American essays in English
- 815 – American speeches in English
- 816 – American letters in English
- 817 – American humor & satire in English
- 818 – American miscellaneous writings
- 819 – (Optional number)
- 820 – English & Old English literatures
- 821 – English poetry
- 822 – English drama
- 823 – English fiction
- 824 – English essays
- 825 – English speeches
- 826 – English letters
- 827 – English humor & satire
- 828 – English miscellaneous writings
- 829 – Old English (Anglo-Saxon)
- 830 – Literatures of Germanic languages
- 831 – German poetry
- 832 – German drama
- 833 – German fiction
- 834 – German essays
- 835 – German speeches
- 836 – German letters
- 837 – German humor & satire
- 838 – German miscellaneous writings
- 839 – Other Germanic literatures
- 840 – Literatures of Romance languages
- 841 – French poetry
- 842 – French drama
- 843 – French fiction
- 844 – French essays
- 845 – French speeches
- 846 – French letters
- 847 – French humor & satire
- 848 – French miscellaneous writings
- 849 – Occitan & Catalan literatures
- 850 – Italian, Romanian & related literatures
- 851 – Italian poetry
- 852 – Italian drama
- 853 – Italian fiction
- 854 – Italian essays
- 855 – Italian speeches
- 856 – Italian letters
- 857 – Italian humor & satire
- 858 – Italian miscellaneous writings
- 859 – Romanian & related literatures
- 860 – Spanish & Portuguese literatures
- 861 – Spanish poetry
- 862 – Spanish drama
- 863 – Spanish fiction
- 864 – Spanish essays
- 865 – Spanish speeches
- 866 – Spanish letters
- 867 – Spanish humor & satire
- 868 – Spanish miscellaneous writings
- 869 – Portuguese literature
- 870 – Italic literatures; Latin literature
- 871 – Latin poetry
- 872 – Latin dramatic poetry & drama
- 873 – Latin epic poetry & fiction
- 874 – Latin lyric poetry
- 875 – Latin speeches
- 876 – Latin letters
- 877 – Latin humor & satire
- 878 – Latin miscellaneous writings
- 879 – Literatures of other Italic languages
- 880 – Hellenic literatures; classical Greek
- 881 – Classical Greek poetry
- 882 – Classical Greek dramatic poetry & drama
- 883 – Classical Greek epic poetry & fiction
- 884 – Classical Greek lyric poetry
- 885 – Classical Greek speeches
- 886 – Classical Greek letters
- 887 – Classical Greek humor & satire
- 888 – Classical Greek miscellaneous writings
- 889 – Modern Greek literature
- 890 – Literatures of other languages
- 891 – East Indo-European & Celtic literatures
- 892 – Afro-Asiatic literatures; Semitic literatures
- 893 – Non-Semitic Afro-Asiatic literatures
- 894 – Altaic, Uralic, Hyperborean & Dravidian
- 895 – Literatures of East & Southeast Asia
- 896 – African literatures
- 897 – North American native literatures
- 898 – South American native literatures
- 899 – Austronesian & other literatures
900 – 999
- 900 – History & geography
- 901 – Philosophy & theory
- 902 – Miscellany
- 903 – Dictionaries & encyclopedias
- 904 – Collected accounts of events
- 905 – Serial publications
- 906 – Organizations & management
- 907 – Education, research & related topics
- 908 – Kinds of persons treatment
- 909 – World history
- 910 – Geography & travel
- 911 – Historical geography
- 912 – Atlases, maps, charts & plans
- 913 – Geography of & travel in ancient world
- 914 – Geography of & travel in Europe
- 915 – Geography of & travel in Asia
- 916 – Geography of & travel in Africa
- 917 – Geography of & travel in North America
- 918 – Geography of & travel in South America
- 919 – Geography of & travel in other areas
- 920 – Biography, genealogy & insignia
- 921 – (Optional number)
- 922 – (Optional number)
- 923 – (Optional number)
- 924 – (Optional number)
- 925 – (Optional number)
- 926 – (Optional number)
- 927 – (Optional number)
- 928 – (Optional number)
- 929 – Genealogy, names & insignia
- 930 – History of ancient world to ca. 499
- 931 – China to 420
- 932 – Egypt to 640
- 933 – Palestine to 70
- 934 – India to 647
- 935 – Mesopotamia & Iranian Plateau to 637
- 936 – Europe north & west of Italy to ca. 499
- 937 – Italy & adjacent territories to 476
- 938 – Greece to 323
- 939 – Other parts of ancient world to ca. 640
- 940 – History of Europe
- 941 – British Isles
- 942 – England & Wales
- 943 – Central Europe; Germany
- 944 – France & Monaco
- 945 – Italian Peninsula & adjacent islands
- 946 – Iberian Peninsula & adjacent islands
- 947 – Eastern Europe; Russia
- 948 – Scandinavia
- 949 – Other parts of Europe
- 950 – History of Asia; Far East
- 951 – China & adjacent areas
- 952 – Japan
- 953 – Arabian Peninsula & adjacent areas
- 954 – South Asia; India
- 955 – Iran
- 956 – Middle East (Near East)
- 957 – Siberia (Asiatic Russia)
- 958 – Central Asia
- 959 – Southeast Asia
- 960 – History of Africa
- 961 – Tunisia & Libya
- 962 – Egypt & Sudan
- 963 – Ethiopia & Eritrea
- 964 – Northwest African coast & offshore islands
- 965 – Algeria
- 966 – West Africa & offshore islands
- 967 – Central Africa & offshore islands
- 968 – Southern Africa; Republic of South Africa
- 969 – South Indian Ocean islands
- 970 – History of North America
- 971 – Canada
- 972 – Middle America; Mexico
- 973 – United States
- 974 – Northeastern United States
- 975 – Southeastern United States
- 976 – South central United States
- 977 – North central United States
- 978 – Western United States
- 979 – Great Basin & Pacific Slope region
- 980 – History of South America
- 981 – Brazil
- 982 – Argentina
- 983 – Chile
- 984 – Bolivia
- 985 – Peru
- 986 – Colombia & Ecuador
- 987 – Venezuela
- 988 – Guiana
- 989 – Paraguay & Uruguay
- 990 – History of other areas
- 991 – [Unassigned]
- 992 – [Unassigned]
- 993 – New Zealand
- 994 – Australia
- 995 – Melanesia; New Guinea
- 996 – Other parts of Pacific; Polynesia
- 997 – Atlantic Ocean islands
- 998 – Arctic islands & Antarctica
- 999 – Extraterrestrial worlds
