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List of Dewey Decimal classes
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The Dewey Decimal System of library classification is made up of ten main classes or categories, each divided into ten secondary classes or subcategories, each having ten subdivisions. This system is a logical way of classifying a comprehensive array of disciplines, whether academic or practical.
Classes
000 – Computer science, information, and general works
- 000 Generalities
- 010 Bibliography
- 011 Bibliographies
- 012 Bibliographies of individuals
- 013 Bibliographies of works by specific classes of authors
- 014 Bibliographies of anonymous and pseudonymous works
- 015 Bibliographies of works from specific places
- 016 Bibliographies of works from specific subjects
- 017 General subject catalogs
- 018 Catalogs arranged by author & date
- 019 Dictionary catalogs
- 020 Library & information sciences
- 021 Library relationships
- 022 Administration of the physical plant
- 023 Personnel administration
- 024 Not assigned or no longer used
- 025 Library operations
- 026 Libraries for specific subjects
- 027 General libraries
- 028 Reading, use of other information media
- 029 Not assigned or no longer used
- 030 General encyclopedic works
- 040 Not assigned or no longer used
- 041 Not assigned or no longer used
- 042 Not assigned or no longer used
- 043 Not assigned or no longer used
- 044 Not assigned or no longer used
- 045 Not assigned or no longer used
- 046 Not assigned or no longer used
- 047 Not assigned or no longer used
- 048 Not assigned or no longer used
- 049 Not assigned or no longer used
- 050 General serials & their indexes
- 051 General serials & their indexes American
- 052 General serials & their indexes In English
- 053 General serials & their indexes In other Germanic languages
- 054 General serials & their indexes In French, Provencal, Catalan
- 055 General serials & their indexes In Italian, Romanian, Rhaeto-Romanic
- 056 General serials & their indexes In Spanish & Portuguese
- 057 General serials & their indexes In Slavic languages
- 058 General serials & their indexes In Scandinavian languages
- 059 General serials & their indexes In other languages
- 060 General organization & museology
- 061 General organization & museology In North America
- 062 General organization & museology In British Isles In England
- 063 General organization & museology In central Europe In Germany
- 064 General organization & museology In France & Monaco
- 065 General organization & museology In Italy & adjacent territories
- 066 General organization & museology In Iberian Peninsula & adjacent islands
- 067 General organization & museology In eastern Europe In Soviet Union
- 068 General organization & museology In other areas
- 069 Museology (Museum science)
- 070 News media, journalism, publishing
- 071 News media, journalism, publishing In North America
- 072 News media, journalism, publishing In British Isles In England
- 073 News media, journalism, publishing In central Europe In Germany
- 074 News media, journalism, publishing In France & Monaco
- 075 News media, journalism, publishing In Italy & adjacent territories
- 076 News media, journalism, publishing In Iberian Peninsula & adjacent islands
- 077 News media, journalism, publishing In eastern Europe In Soviet Union
- 078 News media, journalism, publishing In Scandinavia
- 079 News media, journalism, publishing In other languages
- 080 General collections
- 081 General collections American
- 082 General collections In English
- 083 General collections In other Germanic languages
- 084 General collections In French, Provencal, Catalan
- 085 General collections In Italian, Romanian, Rhaeto-Romanic
- 086 General collections In Spanish & Portuguese
- 087 General collections In Slavic languages
- 088 General collections In Scandinavian languages
- 089 General collections In other languages
- 090 Manuscripts & rare books
100 – Philosophy and psychology
- 100 Philosophy & psychology
- 101 Theory of philosophy
- 102 Miscellany of philosophy
- 103 Dictionaries of philosophy
- 104 Not assigned or no longer used
- 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
- 110 Metaphysics
- 120 Epistemology, causation, humankind
- 130 Paranormal phenomena
- 140 Specific philosophical schools
- 150 Psychology
- 160 Logic
- 170 Ethics (Moral philosophy)
- 180 Ancient, medieval, Oriental philosophy
- 190 Modern Western philosophy (19th-century, 20th-century)
- 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
200 – Religion
300 – Social sciences
400 – Language
500 – Science
- 500 Natural sciences & mathematics
- 501 Philosophy & theory
- 502 Miscellany
- 503 Dictionaries & encyclopedias
- 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
- 510 Mathematics
- 520 Astronomy & allied sciences
- 530 Physics
- 540 Chemistry & allied sciences
- 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
- 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
- 570 Life sciences
- 580 Plants
- 590 Zoological sciences
600 – Technology
700 – Arts and recreation
800 – Literature
- 800 Literature & rhetoric
- 801 Philosophy & theory
- 802 Miscellany
- 803 Dictionaries & encyclopedias
- 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
- 810 American literature in English
- 811 Poetry
- 812 Drama
- 813 Fiction
- 814 Essays
- 815 Speeches
- 816 Letters
- 817 Satire & humor
- 818 Miscellaneous writings
- 819 Not assigned or no longer used
- 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 satire & humor
- 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 satire & humor
- 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 satire & humor
- 848 French miscellaneous writings
- 849 Provencal & Catalan
- 850 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 & humor
- 858 Italian miscellaneous writings
- 859 Romanian & Rhaeto-Romanic
- 860 Spanish & Portuguese literatures
- 861 Spanish poetry
- 862 Spanish drama
- 863 Spanish fiction
- 864 Spanish essays
- 865 Spanish speeches
- 866 Spanish letters
- 867 Spanish satire & humor
- 868 Spanish miscellaneous writings
- 869 Portuguese
- 870 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 & humor
- 878 Latin miscellaneous writings
- 879 Literatures of other Italic languages
- 880 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 & humor
- 888 Classical Greek miscellaneous writings
- 889 Modern Greek
- 890 Literatures of other languages
- 891 East Indo-European & Celtic
- 892 Afro-Asiatic literatures Semitic
- 893 Non-Semitic Afro-Asiatic literatures
- 894 Ural-Altaic, Paleosiberian, Dravidian
- 895 Literatures of East & Southeast Asia
- 896 African literatures
- 897 North American native literatures
- 898 South American native literatures
- 899 Other literatures
900 – History and geography and biography
- 900 Geography & history
- 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 With respect to kinds of persons
- 909 World history
- 910 Geography & travel
- 920 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
- 929 Genealogy, names, insignia
- 930 History of ancient world
- 940 General history of Europe
- 950 General history of Asia; Far East
- 960 General history of Africa
- 970 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
- 980 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
- 990 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
Editions and publication
OCLC owns the rights to the Dewey Decimal System. It is updated by ten librarians stationed in the Library of Congress. The changes and editions are published every five years. The most recent edition is DDC 22 and the next edition is planned for 2008.
See also
References
External links
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