The Dewey Decimal System has ten major subject groupings. Within each subject group, there are classification numbers that lead to more specific topics:
Overview
000 GENERAL KNOWLEDGE
100 PHILOSOPHY & PSYCHOLOGY
200 RELIGION
300 SOCIAL SCIENCES
400 LANGUAGES
500 SCIENCE
600 TECHNOLOGY
700 ARTS & RECREATION
800 LITERATURE
900 HISTORY & GEOGRAPHY
0-499 located on2nd floor of the library |
500-999 located on3rd floor of the library |
000 Computers, Information & General Reference010 Bibliographies & catalogs 020 Library & information sciences 030 General encyclopedic works 050 General serials & their indexes 060 General organizations & museums 070 News media, journalism, publishing 080 General collections 090 Manuscripts & rare books
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500 Natural Sciences & Mathematics· 510 Mathematics · 520 Astronomy & allied sciences · 530 Physics · 540 Chemistry & allied sciences · 550 Earth sciences · 560 Paleontology, Paleozoology · 570 Life Sciences · 580 Botanical sciences · 590 Zoological sciences |
100 Philosophy & Psychology · 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 |
600 Technology (Applied Sciences)· 610 Medical sciences · 620 Engineering & allied sciences · 630 Agriculture · 640 Home economics & family living · 650 Management & auxiliary services · 660 Chemical engineering · 670 Manufacturing · 680 Manufacture for specific uses · 690 Buildings |
200 Religion· 210 Natural theology · 220 Bible · 230 Christian Theology · 240 Christian moral & devotional theology · 250 Christian orders & local churches · 260 Christian social theology · 270 Christian church history · 280 Christian denominations & sects · 290 Other and comparative religions |
700 The Arts· 710 Civic & landscape art · 720 Architecture · 730 Plastic arts · 78 Music Scores · 740 Drawing & decorative arts · 750 Painting & paintings · 760 Graphic arts · 770 Photography & photographs · 780 Music · 790 Recreational & performing arts |
300 Social Sciences· 310 General statistics · 320 Political science · 330 Economics · 340 Law · 350 Public administration · 360 Social welfare · 370 Education · 380 Commerce, communications, transport · 390 Customs, etiquette, folklore |
800 Literature & Rhetoric· 810 American literature in English · 820 English and Old English literature · 830 Literatures of Germanic languages · 840 Literatures of Romance languages · 850 Italian, Romanian, Rhaeto-Romanic · 860 Spanish & Portuguese literatures · 870 Italic literatures, i.e., Latin · 880 Hellenic literatures, i.e., Classical Greek · 890 Literatures of other languages |
400 Language· 410 Linguistics · 420 English & Old English · 430 Germanic languages, i.e., German · 440 Romance languages, i.e., French · 450 Italian, Romanian languages · 460 Spanish & Portuguese languages · 470 Italic languages, i.e., Latin · 480 Hellenic languages, i.e., Classical Greek · 490 Other languages |
900 History & Geography· 910 Geography & travel · 920 Biography, genealogy, insignias · 930 History of the 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 · 980 General history of South America · 990 General history of other areas |