Library Science: Dewey Decimal Classification

First Summary: The Ten Main Classes
  • 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 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