List of Dewey Decimal classes

The Dewey Decimal Classification (DDC) is structured around ten main classes covering the entire world of knowledge; each main class is further structured into ten hierarchical divisions, each having ten sections of increasing specificity.[1] As a system of library classification the DDC is "arranged by discipline, not subject", so a topic like clothing is classed based on its disciplinary treatment (psychological influence of clothing at 155.95, customs associated with clothing at 391, and fashion design of clothing at 746.92) within the conceptual framework.[2] The list below presents the ten main classes, hundred divisions, and thousand sections.[3]

Class 000 – Computer science, information & general works

  • 000 Computer science, knowledge & systems
  • 010 Bibliographies
    • 010 Bibliography
    • 011 Bibliographies
    • 012 Bibliographies of individuals
    • 013 [Unassigned]
    • 014 Bibliographies 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
    • 020 Library & information sciences
    • 021 Library relationships (with archives, information centers, etc.)
    • 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 Encyclopedias & books of facts
  • 040 Unassigned (formerly Biographies)
  • 050 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, and Catalan
    • 055 Serials in Italian, Romanian, and related languages
    • 056 Serials in Spanish & Portuguese
    • 057 Serials in Slavic languages
    • 058 Serials in Scandinavian languages
    • 059 Serials in other languages
  • 060 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 Organizations 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
    • 070 News media, journalism, and 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 Newspapers in Iberian peninsula & adjacent islands
    • 077 Newspapers in eastern Europe; in Russia
    • 078 Newspapers in Scandinavia
    • 079 Newspapers in other geographic areas
  • 080 Quotations
    • 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 Collections 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
    • 090 Manuscripts and 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, and hoaxes
    • 099 Books notable for format

Class 100 – Philosophy & psychology

Class 200 – Religion

Class 300 – Social sciences

Class 400 – Language

  • 400 Language
    • 400 Language
    • 401 Philosophy & theory; international languages
    • 402 Miscellany
    • 403 Dictionaries, encyclopedias, concordances
    • 404 Special topics of language
    • 405 Serial publications
    • 406 Organizations & management
    • 407 Education, research, related topics
    • 408 Groups of people
    • 409 Geographic treatment & biography
  • 410 Linguistics
  • 420 English & Old English languages
    • 420 English & Old English (Anglo-Saxon)
    • 421 Writing system, phonology, phonetics of standard English
    • 422 Etymology of standard English
    • 423 Dictionaries of standard English
    • 424 No longer used—formerly English thesauruses
    • 425 Grammar of standard English
    • 426 No longer used—formerly English prosodies
    • 427 Historical & geographical variations, modern nongeographic variations of English
    • 428 Standard English usage (Prescriptive linguistics)
    • 429 Old English (Anglo-Saxon)
  • 430 German & related languages
    • 430 German and related languages
    • 431 Writing systems, phonology, phonetics of standard German
    • 432 Etymology of standard German
    • 433 Dictionaries of standard German
    • 434 Not assigned or no longer used
    • 435 Grammar of standard German
    • 436 Not assigned or no longer used
    • 437 Historical & geographic variations, modern nongeographic variations of German
    • 438 Standard German usage (Prescriptive linguistics)
    • 439 Other Germanic languages
  • 440 French & related languages
    • 440 French & related Romance languages
    • 441 Writing systems, phonology, phonetics of standard French
    • 442 Etymology of standard French
    • 443 Dictionaries of standard French
    • 444 Not assigned or no longer used
    • 445 Grammar of standard French
    • 446 Not assigned or no longer used
    • 447 Historical and geographic variations, modern nongeographic variations of French
    • 448 Standard French usage (Prescriptive linguistics)
    • 449 Occitan Catalan, Franco-Provençal
  • 450 Italian, Romanian & related languages
    • 450 Italian, Dalmatian, Romanian, Rhaetian, Sardinian, Corsican
    • 451 Writing systems, phonology, phonetics of standard Italian
    • 452 Etymology of standard Italian
    • 453 Dictionaries of standard Italian
    • 454 Not assigned or no longer used
    • 455 Grammar of standard Italian
    • 456 Not assigned or no longer used
    • 457 Historical & geographic variations, modern nongeographic variations of Italian
    • 458 Standard Italian usage (Prescriptive linguistics)
    • 459 Romanian, Rhaetian, Sardinian, Corsican
  • 460 Spanish, Portuguese, Galician
    • 460 Spanish, Portuguese, Galician
    • 461 Writing systems, phonology, phonetics of standard Spanish
    • 462 Etymology of standard Spanish
    • 463 Dictionaries of standard Spanish
    • 464 Not assigned or no longer used
    • 465 Grammar of standard Spanish
    • 466 Not assigned or no longer used
    • 467 Historical & geographic variations, modern nongeographic variations of Spanish
    • 468 Standard Spanish usage (Prescriptive linguistics)
    • 469 Portuguese
  • 470 Latin & Italic languages
    • 470 Latin & related Italic languages
    • 471 Writing systems, phonology, phonetics of classical Latin
    • 472 Etymology of classical Latin
    • 473 Dictionaries of classical Latin
    • 474 Not assigned or no longer used
    • 475 Grammar of classical Latin
    • 476 Not assigned or no longer used
    • 477 Old, postclassical, Vulgar Latin
    • 478 Classical Latin usage (Prescriptive linguistics)
    • 479 Other Italic languages
  • 480 Classical & modern Greek languages
    • 480 Classical Greek & related Hellenic languages
    • 481 Writing systems, phonology, phonetics of classical Greek
    • 482 Etymology of classical Greek
    • 483 Dictionaries of classical Greek
    • 484 Not assigned or no longer used
    • 485 Grammar of classical Greek
    • 486 Not assigned or no longer used
    • 487 Preclassical & postclassical Greek
    • 488 Classical Greek usage (Prescriptive linguistics)
    • 489 Other Hellenic languages
  • 490 Other languages

Class 500 – Science

Class 600 – Technology

Class 700 – Arts & recreation

Class 800 – Literature

  • 800 Literature, rhetoric & criticism
    • 800 Literature (Belles-lettres) & rhetoric
    • 801 Philosophy & theory
    • 802 Miscellany
    • 803 Dictionaries, encyclopedias, concordances
    • 804 Not assigned or no longer used
    • 805 Serial publications
    • 806 Organizations & management
    • 807 Education, research, related topics
    • 808 Rhetoric & collections of literary texts from more than two literatures
    • 809 History, description, critical appraisal of more than two literatures
  • 810 American literature in English
    • 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 in English
    • 819 No longer used—formerly Puzzle activities
  • 820 English & Old English literatures
    • 820 English & Old English (Anglo-Saxon) 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) literature
  • 830 German & related literatures
    • 830 German literature & literatures of related 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 French & related literatures
    • 840 French literature & literatures of related 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, Franco-Provençal literatures
  • 850 Italian, Romanian & related literatures
    • 850 Literatures of Italian, Dalmatian, Romanian, Rhaetian, Sardinian, Corsican languages
    • 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 Literatures of Romanian, Rhaetian, Sardinian, Corsican languages
  • 860 Spanish, Portuguese, Galician literatures
    • 860 Literatures of Spanish, Portuguese, Galician languages
    • 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 Literatures of Portuguese & Galician languages
  • 870 Latin & Italic literatures
    • 870 Latin literature & literatures of related Italic languages
    • 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 Classical & modern Greek literatures
    • 880 Classical Greek literature & literatures of related Hellenic languages
    • 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 humor & satire
    • 888 Classical Greek miscellaneous writings
    • 889 Modern Greek literature
  • 890 Other literatures
    • 890 Literatures of other specific languages and language families
    • 891 East Indo-European & Celtic literatures
    • 892 Afro-Asiatic literatures
    • 893 Non-Semitic Afro-Asiatic literatures
    • 894 Literatures of Altaic, Uralic, Hyperborean, Dravidian languages; literatures of miscellaneous languages of South Asia
    • 895 Literatures of East & Southeast Asia
    • 896 African literatures
    • 897 Literatures of North American native languages
    • 898 Literatures of South American native languages
    • 899 Literatures of non-Austronesian languages of Oceania, of Austronesian languages, of miscellaneous languages

Class 900 – History & geography

See also

References

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