Dewey Decimal System

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An ordered classification of all books commonly used in libraries. Developed by Melvil Dewey and published in 1876. This system organizes books on library shelves in a specific and repeatable order that makes it easy to find any book and return it to its proper place. It uses a numeric value to indicate the topic of the book.

The topics are divided into:

0?? - Computer science, information & general works

00? Computer science, knowledge & systems

  • 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]

01? Bibliographies

  • 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 catalogues
  • 018 Catalogues arranged by author, date, etc.
  • 019 Dictionary catalogues

02? Library & information sciences

  • 020 Library & information sciences
  • 021 Library relationships
  • 022 Administration of physical plant
  • 023 Personnel management
  • 024 No longer used – formerly Regulations for readers
  • 025 Library operations
  • 026 Libraries for specific subjects
  • 027 General libraries
  • 028 Reading & use of other information media
  • 029 No longer used – formerly Literary methods

03? Encyclopaedias & books of facts

  • 030 General encyclopaedic works
  • 031 Encyclopaedias in American English
  • 032 Encyclopaedias in English
  • 033 In other Germanic languages
  • 034 Encyclopaedias in French, Occitan & Catalan
  • 035 In Italian, Romanian & related languages
  • 036 Encyclopaedias in Spanish & Portuguese
  • 037 Encyclopaedias in Slavic languages
  • 038 Encyclopaedias in Scandinavian languages
  • 039 Encyclopaedias in other languages

04? No longer used – formerly Collected essays by language

  • 040 [Unassigned]
  • 041 [Unassigned]
  • 042 [Unassigned]
  • 043 [Unassigned]
  • 044 [Unassigned]
  • 045 [Unassigned]
  • 046 [Unassigned]
  • 047 [Unassigned]
  • 048 [Unassigned]
  • 049 [Unassigned]

05? Magazines, journals & serials

  • 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

06? Associations, organizations & museums

  • 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

07? News media, journalism & publishing

  • 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

08? General collections

  • 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

09? Manuscripts & rare books

  • 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

1?? - Philosophy and psychology

10? Philosophy & psychology

  • 100 Philosophy & psychology
  • 101 Theory of philosophy
  • 102 Miscellany of philosophy
  • 103 Dictionaries of philosophy
  • 104 No longer used – formerly Essays
  • 105 Serial publications of philosophy
  • 106 Organizations of philosophy
  • 107 Education, research in philosophy
  • 108 Kinds of persons in philosophy
  • 109 Historical treatment of philosophy

11? Metaphysics

  • 110 Metaphysics
  • 111 Ontology
  • 112 No longer used – formerly Methodology
  • 113 Cosmology (Philosophy of nature)
  • 114 Space
  • 115 Time
  • 116 Change
  • 117 Structure
  • 118 Force & Energy
  • 119 Number & quantity

12? Epistemology, causation, humankind

  • 120 Epistemology, causation & humankind
  • 121 Epistemology (Theory of knowledge)
  • 122 Causation
  • 123 Determinism & indeterminism
  • 124 Teleology
  • 125 No longer used – formerly Infinity
  • 126 The self
  • 127 The unconscious & the subconscious
  • 128 Humankind
  • 129 Origin & destiny of individual souls

13? Paranormal phenomena

  • 130 Parapsychology & occultism
  • 131 Occult methods for achieving well-being
  • 132 No longer used – formerly Mental derangements
  • 133 Parapsychology & occultism
  • 134 No longer used – formerly Mesmerism and Clairvoyance
  • 135 Dreams & mysteries
  • 136 No longer used – formerly Mental characteristics
  • 137 Divinatory graphology
  • 138 Physiognomy
  • 139 Phrenology

14? Specific philosophical schools

  • 140 Specific philosophical schools
  • 141 Idealism & related systems
  • 142 Critical philosophy
  • 143 Intuitionism & Bergsonism
  • 144 Humanism & related systems
  • 145 Sensationalism
  • 146 Naturalism & related systems
  • 147 Pantheism & related systems
  • 148 Liberalism, eclecticism, traditionalism
  • 149 Other philosophical systems

15? Psychology

  • 150 Psychology
  • 151 No longer used – formerly Intellect
  • 152 Perception, movement, emotions, drives
  • 153 Mental processes & intelligence
  • 154 Subconscious & altered states
  • 155 Differential & developmental psychology
  • 156 Comparative psychology
  • 157 No longer used – formerly Emotions
  • 158 Applied psychology
  • 159 No longer used – formerly Will

16? Logic

  • 160 Logic
  • 161 Induction
  • 162 Deduction
  • 163 Not assigned or no longer used
  • 164 Not assigned or no longer used
  • 165 Fallacies & sources of error
  • 166 Syllogisms
  • 167 Hypotheses
  • 168 Argument & persuasion
  • 169 Analogy

17? Ethics (Moral philosophy)

  • 170 Ethics
  • 171 Systems & doctrines
  • 172 Political ethics
  • 173 Ethics of family relationships
  • 174 Economic & professional ethics
  • 175 Ethics of recreation & leisure
  • 176 Ethics of sex & reproduction
  • 177 Ethics of social relations
  • 178 Ethics of consumption
  • 179 Other ethical norms

18? Ancient, medieval, Oriental philosophy

  • 180 Ancient, medieval & eastern philosophy
  • 181 Oriental philosophy
  • 182 Pre-Socratic Greek philosophies
  • 183 Sophistic & Socratic philosophies
  • 184 Platonic philosophy
  • 185 Aristotelian philosophy
  • 186 Sceptic and Neoplatonic philosophies
  • 187 Epicurean philosophy
  • 188 Stoic philosophy
  • 189 Medieval Western philosophy

19? Modern Western philosophy (19th-century, 20th-century)

  • 190 Modern western philosophy
  • 191 Modern Western philosophy United States & Canada
  • 192 Modern Western philosophy British Isles
  • 193 Modern Western philosophy Germany & Austria
  • 194 Modern Western philosophy France
  • 195 Modern Western philosophy Italy
  • 196 Modern Western philosophy Spain & Portugal
  • 197 Modern Western philosophy Soviet Union
  • 198 Modern Western philosophy Scandinavia
  • 199 Modern Western philosophy Other geographical areas

2?? - Religion

20? Religion

  • 201 Religious mythology, general classes of religion, interreligious relations and attitudes, social theology
  • 202 Doctrines
  • 203 Public worship and other practices
  • 204 Religious experience, life, practice
  • 205 Religious ethics
  • 206 Leaders and organization
  • 207 Missions and religious education
  • 208 Sources
  • 209 Sects and reform movements

21? Natural theology

  • 211 Concepts of God
  • 212 Existence, attributes of God
  • 213 Creation
  • 214 Theodicy
  • 215 Science & religion
  • 216 No longer used – formerly Evil
  • 217 No longer used – formerly Prayer
  • 218 Humankind
  • 219 No longer used – formerly Analogies

22? Bible

  • 221 Old Testament
  • 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

23? Christian theology

  • 231 God
  • 232 Jesus Christ & his family
  • 233 Humankind
  • 234 Salvation (Soteriology) & grace
  • 235 Spiritual beings
  • 236 Eschatology
  • 237 No longer used – formerly Future state
  • 238 Creeds & catechisms
  • 239 Apologetics & polemics

24? Christian moral & devotional theology

  • 241 Moral theology
  • 242 Devotional literature
  • 243 Evangelistic writings for individuals
  • 244 No longer used – formerly Religious fiction
  • 245 No longer used – formerly Hymnology
  • 246 Use of art in Christianity
  • 247 Church furnishings & articles
  • 248 Christian experience, practice, life
  • 249 Christian observances in family life

25? Christian orders & local church

  • 251 Preaching (Homiletics)
  • 252 Texts of sermons
  • 253 Pastoral office (Pastoral theology)
  • 254 Parish government & administration
  • 255 Religious congregations & orders
  • 256 No longer used – formerly Religious societies
  • 257 No longer used – formerly Parochial schools, libraries, etc.
  • 258 No longer used – formerly Parochial medicine
  • 259 Activities of the local church

26? Christian social theology

  • 261 Social theology
  • 262 Ecclesiology
  • 263 Times, places of religious observance
  • 264 Public worship
  • 265 Sacraments, other rites & acts
  • 266 Missions
  • 267 Associations for religious work
  • 268 Religious education
  • 269 Spiritual renewal

27? Christian church history

  • 271 Religious orders in church history
  • 272 Persecutions in church history
  • 273 Heresies in church history
  • 274 Christian church in Europe
  • 275 Christian church in Asia
  • 276 Christian church in Africa
  • 277 Christian church in North America
  • 278 Christian church in South America
  • 279 Christian church in other areas

28? 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 No longer used – formerly Unitarian
  • 289 Other denominations & sects

29? Other & comparative religions

  • 291 Comparative religion
  • 292 Classical (Greek & Roman) religion
  • 293 Germanic religion
  • 294 Religions of Indic origin
  • 295 Zoroastrianism (Mazdaism, Parseeism)
  • 296 Judaism
  • 297 Islam, Babism & Baha'i Faith
  • 298 No longer used – formerly Mormonism
  • 299 Other religions

3?? - Social sciences

30? 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 No longer used – formerly Polygraphy
  • 309 No longer used – formerly History of sociology

31? General statistics

  • 311 No longer used – formerly Theory and methods
  • 312 No longer used – formerly Population
  • 313 No longer used – formerly Special topics
  • 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 parts of the world

32? 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 Not assigned or no longer used

33? Economics

  • 331 Labour economics
  • 332 Financial economics
  • 333 Land economics
  • 334 Cooperatives
  • 335 Socialism & related systems
  • 336 Public finance
  • 337 International economics
  • 338 Production
  • 339 Macroeconomics & related topics

34? Law

  • 341 International law
  • 342 Constitutional & administrative law
  • 343 Military, tax, trade, industrial law
  • 344 Social, labour, welfare, & related law
  • 345 Criminal law
  • 346 Private law
  • 347 Civil procedure & courts
  • 348 Law (Statutes), regulations, cases
  • 349 Law of specific jurisdictions & areas

35? Public administration

  • 351 Of central governments
  • 352 Of local governments
  • 353 of U.S. federal & state governments
  • 354 Of specific central governments
  • 355 Military science
  • 356 Foot forces & warfare
  • 357 Mounted forces & warfare
  • 358 Other specialized forces & services
  • 359 Sea (Naval) forces & warfare

36? Social services; association

  • 361 General social problems & services
  • 362 Social welfare problems & services
  • 363 Other social problems & services
  • 364 Criminology
  • 365 Penal & related institutions
  • 366 Association
  • 367 General clubs
  • 368 Insurance
  • 369 Miscellaneous kinds of associations

37? Education

  • 371 School management; special education
  • 372 Elementary education
  • 373 Secondary education
  • 374 Adult education
  • 375 Curriculums
  • 376 No longer used – formerly Education of women
  • 377 No longer used – formerly Ethical education
  • 378 Higher education
  • 379 Government regulation, control, support

38? Commerce, communications, transport

  • 381 Internal commerce (Domestic trade)
  • 382 International commerce (Foreign trade)
  • 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

39? Customs, etiquette, folklore

  • 391 Costume & personal appearance
  • 392 Customs of life cycle & domestic life
  • 393 Death customs
  • 394 General customs
  • 395 Etiquette (Manners)
  • 396 No longer used – formerly Women's position and treatment
  • 397 No longer used – formerly outcast studies
  • 398 Folklore
  • 399 Customs of war & diplomacy

4?? - Language

40? Language

  • 401 Philosophy & theory
  • 402 Miscellany
  • 403 Dictionaries & encyclopaedias
  • 404 Special topics
  • 405 Serial publications
  • 406 Organizations & management
  • 407 Education, research, related topics
  • 408 With respect to kinds of persons
  • 409 Geographical & persons treatment

41? Linguistics

  • 411 Writing systems
  • 412 Etymology
  • 413 Dictionaries
  • 414 Phonology
  • 415 Structural systems (Grammar)
  • 416 No longer used – formerly Prosody
  • 417 Dialectology & historical linguistics
  • 418 Standard usage; Applied linguistics
  • 419 Verbal language not spoken or written

42? English & Old English

  • 421 English writing system & phonology
  • 422 English etymology
  • 423 English dictionaries
  • 424 No longer used – formerly English thesauruses
  • 425 English grammar
  • 426 No longer used – formerly English prosodies
  • 427 English language variations
  • 428 Standard English usage
  • 429 Old English (Anglo-Saxon)

43? Germanic languages; German

  • 431 German writing system & phonology
  • 432 German etymology
  • 433 German dictionaries
  • 434 Not assigned or no longer used
  • 435 German grammar
  • 436 Not assigned or no longer used
  • 437 German language variations
  • 438 Standard German usage
  • 439 Other Germanic languages

44? Romance languages; French

  • 441 French writing system & phonology
  • 442 French etymology
  • 443 French dictionaries
  • 444 Not assigned or no longer used
  • 445 French grammar
  • 446 Not assigned or no longer used
  • 447 French language variations
  • 448 Standard French usage
  • 449 Provencal & Catalan

45? Italian, Romanian, Rhaeto-Romanic

  • 451 Italian writing system & phonology
  • 452 Italian etymology
  • 453 Italian dictionaries
  • 454 Not assigned or no longer used
  • 455 Italian grammar
  • 456 Not assigned or no longer used
  • 457 Italian language variations
  • 458 Standard Italian usage
  • 459 Romanian & Rhaeto-Romanic

46? Spanish & Portuguese languages

  • 461 Spanish writing system & phonology
  • 462 Spanish etymology
  • 463 Spanish dictionaries
  • 464 Not assigned or no longer used
  • 465 Spanish grammar
  • 466 Not assigned or no longer used
  • 467 Spanish language variations
  • 468 Standard Spanish usage
  • 469 Portuguese

47? Italic; Latin

  • 471 Classical Latin writing & phonology
  • 472 Classical Latin etymology & phonology
  • 473 Classical Latin dictionaries
  • 474 Not assigned or no longer used
  • 475 Classical Latin grammar
  • 476 Not assigned or no longer used
  • 477 Old, Postclassical, Vulgar Latin
  • 478 Classical Latin usage
  • 479 Other Italic languages

48? Hellenic languages; Classical Greek

  • 481 Classical Greek writing & phonology
  • 482 Classical Greek etymology
  • 483 Classical Greek dictionaries
  • 484 Not assigned or no longer used
  • 485 Classical Greek grammar
  • 486 Not assigned or no longer used
  • 487 Preclassical & postclassical Greek
  • 488 Classical Greek usage
  • 489 Other Hellenic languages

49? Other languages

  • 491 East Indo-European & Celtic languages
  • 492 Afro-Asiatic languages; Semitic
  • 493 Non-Semitic Afro-Asiatic languages
  • 494 Ural-Altaic, Palaeosiberian, Dravidian
  • 495 Languages of East & Southeast Asia
  • 496 African languages
  • 497 North American native languages
  • 498 South American native languages
  • 499 Miscellaneous languages

5?? - Science

50? Natural sciences & mathematics

  • 501 Philosophy & theory
  • 502 Miscellany
  • 503 Dictionaries & encyclopaedias
  • 504 Not assigned or no longer used
  • 505 Serial publications
  • 506 Organizations & management
  • 507 Education, research, related topics
  • 508 Natural history
  • 509 Historical, areas, persons treatment

51? Mathematics

  • 511 General principles
  • 512 Algebra & number theory
  • 513 Arithmetic
  • 514 Topology
  • 515 Analysis
  • 516 Geometry
  • 517 Not assigned or no longer used
  • 518 Numerical analysis
  • 519 Probabilities & applied mathematics

52? Astronomy & allied sciences

  • 521 Celestial mechanics
  • 522 Techniques, equipment, materials
  • 523 Specific celestial bodies & phenomena
  • 524 Not assigned or no longer used
  • 525 Earth (Astronomical geography)
  • 526 Mathematical geography
  • 527 Celestial navigation
  • 528 Ephemerides
  • 529 Chronology

53? Physics

  • 531 Classical mechanics; Solid mechanics
  • 532 Fluid mechanics; Liquid mechanics
  • 533 Gas mechanics
  • 534 Sound & related vibrations
  • 535 Light & paraphotic phenomena
  • 536 Heat
  • 537 Electricity & electronics
  • 538 Magnetism
  • 539 Modern physics

54? Chemistry & allied sciences

  • 541 Physical & theoretical chemistry
  • 542 Techniques, equipment, materials
  • 543 Analytical chemistry
  • 544 Qualitative analysis
  • 545 Quantitative analysis
  • 546 Inorganic chemistry
  • 547 Organic chemistry
  • 548 Crystallography
  • 549 Mineralogy

55? 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

56? Palaeontology; Palaeozoology

  • 561 Palaeobotany
  • 562 Fossil invertebrates
  • 563 Fossil primitive phyla
  • 564 Fossil Mollusca & Molluscoidea
  • 565 Other fossil invertebrates
  • 566 Fossil Vertebrata (Fossil Craniata)
  • 567 Fossil cold-blooded vertebrates
  • 568 Fossil Aves (Fossil birds)
  • 569 Fossil Mammalia

57? Life sciences

  • 571 Physiology
  • 572 Biochemistry
  • 573 Physiological systems of animals
  • 574 Not assigned or no longer used
  • 575 Physiological systems of plants
  • 576 Genetics and evolution
  • 577 Ecology
  • 578 Natural history of organisms
  • 579 Microorganisms, fungi, algae

58? Plants

  • 581 Botany
  • 582 Plants noted for specific vegetative characteristics and flowers
  • 583 Dicotyledones
  • 584 Monocotyledones
  • 585 Gymnospermae (Pinophyta)
  • 586 Cryptogamia (Seedless plants)
  • 587 Pteridophyta (Vascular cryptogams)
  • 588 Bryophyta
  • 589 Not assigned or no longer used

59? Zoological sciences

  • 591 Zoology
  • 592 Invertebrates
  • 593 Protozoa, Echinodermata, related phyla
  • 594 Mollusca & Molluscoidea
  • 595 Other invertebrates
  • 596 Vertebrata (Craniata, Vertebrates)
  • 597 Cold-blooded vertebrates, fishes
  • 598 Aves (Birds)
  • 599 Mammalia (Mammals)

6?? - Technology

60? Technology (Applied sciences)

  • 601 Philosophy & theory
  • 602 Miscellany
  • 603 Dictionaries & encyclopaedias
  • 604 Special topics
  • 605 Serial publications
  • 606 Organizations
  • 607 Education, research, related topics
  • 608 Invention & patents
  • 609 Historical, areas, persons treatment

61? Medical sciences; Medicine

  • 611 Human anatomy, cytology, histology
  • 612 Human physiology
  • 613 Promotion of health
  • 614 Incidence & prevention of disease
  • 615 Pharmacology & therapeutics
  • 616 Diseases
  • 617 Surgery & related medical specialties
  • 618 Gynaecology & other medical specialties
  • 619 Experimental medicine

62? Engineering & Applied operations

  • 621 Applied physics
  • 622 Mining & related operations
  • 623 Military & nautical engineering
  • 624 Civil engineering
  • 625 Engineering of railroads, roads
  • 626 Not assigned or no longer used
  • 627 Hydraulic engineering
  • 628 Sanitary & municipal engineering
  • 629 Other branches of engineering

63? Agriculture

  • 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

64? Home economics & family living

  • 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 sick

65? Management & auxiliary services

  • 651 Office services
  • 652 Processes of written communication
  • 653 Shorthand
  • 654 Not assigned or no longer used
  • 655 Not assigned or no longer used
  • 656 Not assigned or no longer used
  • 657 Accounting
  • 658 General management
  • 659 Advertising & public relations

66? Chemical engineering

  • 661 Industrial chemicals technology
  • 662 Explosives, fuels technology
  • 663 Beverage technology
  • 664 Food technology
  • 665 Industrial oils, fats, waxes, gases
  • 666 Ceramic & allied technologies
  • 667 Cleaning, colour, related technologies
  • 668 Technology of other organic products
  • 669 Metallurgy

67? Manufacturing

  • 671 Metalworking & 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

68? 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, related products
  • 686 Printing & related activities
  • 687 Clothing
  • 688 Other final products & packaging
  • 689 Not assigned or no longer used

69? 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 Not assigned or no longer used

7?? - Arts and recreation

70? The arts

  • 701 Philosophy & theory
  • 702 Miscellany
  • 703 Dictionaries & encyclopaedias
  • 704 Special topics
  • 705 Serial publications
  • 706 Organizations & management
  • 707 Education, research, related topics
  • 708 Galleries, museums, private collections
  • 709 Historical, areas, persons treatment

71? Civic & landscape art

  • 711 Area planning (Civic art)
  • 712 Landscape architecture
  • 713 Landscape architecture of traffic ways
  • 714 Water features
  • 715 Woody plants
  • 716 Herbaceous plants
  • 717 Structures
  • 718 Landscape design of cemeteries
  • 719 Natural landscapes

72? 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

73? 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

74? Drawing & decorative arts

  • 741 Drawing & drawings
  • 742 Perspective (graphical)
  • 743 Drawing & drawings by subject
  • 744 Not assigned or no longer used
  • 745 Decorative arts
  • 746 Textile arts
  • 747 Interior decoration
  • 748 Glass
  • 749 Furniture & accessories

75? Painting & paintings

  • 751 Techniques, equipment, forms
  • 752 Color
  • 753 Symbolism, allegory, mythology, legend
  • 754 Genre paintings
  • 755 Religion & religious symbolism
  • 756 Not assigned or no longer used
  • 757 Human figures & their parts
  • 758 Other subjects
  • 759 Historical, areas, persons treatment

76? Graphic arts; Printmaking & prints

  • 761 Relief processes (Block printing)
  • 762 Not assigned or no longer used
  • 763 Lithographic (Planographic) processes
  • 764 Chromolithography & serigraphy
  • 765 Metal engraving
  • 766 Mezzotinting & related processes
  • 767 Etching & drypoint
  • 768 Not assigned or no longer used
  • 769 Prints

77? Photography & photographs

  • 771 Techniques, equipment, materials
  • 772 Metallic salt processes
  • 773 Pigment processes of printing
  • 774 Holography
  • 775 Digital photography
  • 776 Computer art
  • 777 Not assigned or no longer used
  • 778 Fields & kinds of photography
  • 779 Photographs

78? Music

  • 781 General principles & musical forms
  • 782 Vocal music
  • 783 Music for single voices; The voice
  • 784 Instruments & Instrumental ensembles
  • 785 Chamber music
  • 786 Keyboard & other instruments
  • 787 Stringed instruments (Chordophones)
  • 788 Wind instruments (Aerophones)
  • 789 Not assigned or no longer used

79? 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

8?? - Literature

80? Literature & rhetoric

  • 801 Philosophy & theory
  • 802 Miscellany
  • 803 Dictionaries & encyclopaedias
  • 804 Not assigned or no longer used
  • 805 Serial publications
  • 806 Organizations
  • 807 Education, research, related topics
  • 808 Rhetoric & collections of literature
  • 809 Literary history & criticism

81? American literature in English

  • 811 Poetry
  • 812 Drama
  • 813 Fiction
  • 814 Essays
  • 815 Speeches
  • 816 Letters
  • 817 Satire & humour
  • 818 Miscellaneous writings
  • 819 Not assigned or no longer used

82? English & Old English literatures

  • 821 English poetry
  • 822 English drama
  • 823 English fiction
  • 824 English essays
  • 825 English speeches
  • 826 English letters
  • 827 English satire & humour
  • 828 English miscellaneous writings
  • 829 Old English (Anglo-Saxon)

83? Literatures of Germanic languages

  • 831 German poetry
  • 832 German drama
  • 833 German fiction
  • 834 German essays
  • 835 German speeches
  • 836 German letters
  • 837 German satire & humour
  • 838 German miscellaneous writings
  • 839 Other Germanic literatures

84? Literatures of Romance languages

  • 841 French poetry
  • 842 French drama
  • 843 French fiction
  • 844 French essays
  • 845 French speeches
  • 846 French letters
  • 847 French satire & humour
  • 848 French miscellaneous writings
  • 849 Provencal & Catalan

85? Italian, Romanian, Rhaeto-Romanic

  • 851 Italian poetry
  • 852 Italian drama
  • 853 Italian fiction
  • 854 Italian essays
  • 855 Italian speeches
  • 856 Italian letters
  • 857 Italian satire & humour
  • 858 Italian miscellaneous writings
  • 859 Romanian & Rhaeto-Romanic

86? Spanish & Portuguese literatures

  • 861 Spanish poetry
  • 862 Spanish drama
  • 863 Spanish fiction
  • 864 Spanish essays
  • 865 Spanish speeches
  • 866 Spanish letters
  • 867 Spanish satire & humour
  • 868 Spanish miscellaneous writings
  • 869 Portuguese

87? Italic literatures; Latin

  • 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 satire & humour
  • 878 Latin miscellaneous writings
  • 879 Literatures of other Italic languages

88? Hellenic literatures; Classical Greek

  • 881 Classical Greek poetry
  • 882 Classical Greek drama
  • 883 Classical Greek epic poetry & fiction
  • 884 Classical Greek lyric poetry
  • 885 Classical Greek speeches
  • 886 Classical Greek letters
  • 887 Classical Greek satire & humour
  • 888 Classical Greek miscellaneous writings
  • 889 Modern Greek

89? Literatures of other languages

  • 891 East Indo-European & Celtic
  • 892 Afro-Asiatic literatures Semitic
  • 893 Non-Semitic Afro-Asiatic literatures
  • 894 Ural-Altaic, Palaeosiberian, Dravidian
  • 895 Literatures of East & Southeast Asia
  • 896 African literatures
  • 897 North American native literatures
  • 898 South American native literatures
  • 899 Other literatures

9?? - History, geography, and biography

90? Geography & history

  • 901 Philosophy & theory
  • 902 Miscellany
  • 903 Dictionaries & encyclopaedias
  • 904 Collected accounts of events
  • 905 Serial publications
  • 906 Organizations & management
  • 907 Education, research, related topics
  • 908 With respect to kinds of persons
  • 909 World history

91? Geography & travel

  • 911 Historical geography
  • 912 Graphic representations of earth
  • 913 Ancient world
  • 914 Europe
  • 915 Asia
  • 916 Africa
  • 917 North America
  • 918 South America
  • 919 Other areas

92? Biography, genealogy, insignia

  • 921 Not assigned or no longer used
  • 922 Not assigned or no longer used
  • 923 Not assigned or no longer used
  • 924 Not assigned or no longer used
  • 925 Not assigned or no longer used
  • 926 Not assigned or no longer used
  • 927 Not assigned or no longer used
  • 928 Not assigned or no longer used + The 921-928 range is reserved as an optional location for biographies, which are shelved alphabetically by subject's last name.
  • 929 Genealogy, names, insignia

93? History of ancient world

  • 931 History of ancient world; China
  • 932 History of ancient world; Egypt
  • 933 History of ancient world; Palestine
  • 934 History of ancient world; India
  • 935 History of ancient world; Mesopotamia & Iranian Plateau
  • 936 History of ancient world; Europe north & west of Italy
  • 937 History of ancient world; Italy & adjacent territories
  • 938 History of ancient world; Greece
  • 939 History of ancient world; Other parts of ancient world

94? General history of Europe

  • 941 General history of Europe; British Isles
  • 942 General history of Europe; England & Wales
  • 943 General history of Europe; Central Europe Germany
  • 944 General history of Europe; France & Monaco
  • 945 General history of Europe; Italian Peninsula & adjacent islands
  • 946 General history of Europe; Iberian Peninsula & adjacent islands
  • 947 General history of Europe; Eastern Europe; Soviet Union
  • 948 General history of Europe; Northern Europe; Scandinavia
  • 949 General history of Europe; Other parts of Europe

95? General history of Asia; Far East

  • 951 General history of Asia; China & adjacent areas
  • 952 General history of Asia; Japan
  • 953 General history of Asia; Arabian Peninsula & adjacent areas
  • 954 General history of Asia; South Asia; India
  • 955 General history of Asia; Iran
  • 956 General history of Asia; Middle East (Near East)
  • 957 General history of Asia; Siberia (Asiatic Russia)
  • 958 General history of Asia; Central Asia
  • 959 General history of Asia; Southeast Asia

96? General history of Africa

  • 961 General history of Africa; Tunisia & Libya
  • 962 General history of Africa; Egypt & Sudan
  • 963 General history of Africa; Ethiopia
  • 964 General history of Africa; Morocco & Canary Islands
  • 965 General history of Africa; Algeria
  • 966 General history of Africa; West Africa & offshore islands
  • 967 General history of Africa; Central Africa & offshore islands
  • 968 General history of Africa; Southern Africa
  • 969 General history of Africa; South Indian Ocean islands

97? General history of North America

  • 971 General history of North America; Canada
  • 972 General history of North America; Middle America; Mexico
  • 973 General history of North America; United States
  • 974 General history of North America; Northeastern United States
  • 975 General history of North America; Southeastern United States
  • 976 General history of North America; South central United States
  • 977 General history of North America; North central United States
  • 978 General history of North America; Western United States
  • 979 General history of North America; Great Basin & Pacific Slope

98? General history of South America

  • 981 General history of South America; Brazil
  • 982 General history of South America; Argentina
  • 983 General history of South America; Chile
  • 984 General history of South America; Bolivia
  • 985 General history of South America; Peru
  • 986 General history of South America; Colombia & Ecuador
  • 987 General history of South America; Venezuela
  • 988 General history of South America; Guiana
  • 989 General history of South America; Paraguay & Uruguay

99? General history of other areas

  • 991 Not assigned or no longer used
  • 992 Not assigned or no longer used
  • 993 General history of other areas; New Zealand
  • 994 General history of other areas; Australia
  • 995 General history of other areas; Melanesia; New Guinea
  • 996 General history of other areas; Other parts of Pacific Polynesia
  • 997 General history of other areas; Atlantic Ocean islands
  • 998 General history of other areas; Arctic islands & Antarctica
  • 999 Extraterrestrial worlds

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