Guide to the Dewey Decimal System
000 Generalities 500 Pure Sciences
010 Bibliographies 510 Math
020 Library & Information Science 520 Astronomy
030 General Encyclopedias 530 Physics
040 (Not used) 540 Chemistry
050 General Periodicals 550 Earth Science
060 General Organizations & Museums 560 Paleontology
070 Journalism & Publishing 570 Life Sciences
080 Collections 580 Botany
090 Manuscripts and Rare Books 590 Zoology
100 Philosophy 600 Applied Sciences & Technology
110 Metaphysics 610 Medicine
120 Epistemology 620 Engineering
130 Paranormal Phenomena & Occult 630 Agriculture
140 Specific philosophies 640 Home Economics
150 Psychology 650 Management
160 Logic 660 Chemical Technologies
170 Ethics 670 Manufacturing
180 Ancient, Medieval & Oriental Philosophy 680 Application-specific Manufacturing
190 Modern Western Philosophy 690 Building
200 Religion 700 Arts
210 Natural Religion 710 Civic & Landscape Art
220 Bible 720 Architecture
230 Christian Theology 730 Sculpture
240 Christian Moral Theology 740 Drawing
250 Local Church & Religious Orders 750 Painting
260 Social & Ecclesiastical Theology 760 Graphic & Printed Art
270 History & Geography of Church 770 Photography
280 Christian Denominations & Sects 780 Music
290 Non-Christian & Comparative Religion 790 Sports & Recreation
300 Social Sciences 800 Literature
310 Statistics 810 American Literature
320 Political Science 820 English Literature
330 Economics 830 Germanic Literature
340 Law 840 French Literature
350 Public Administration 850 Italian Literature
360 Social Concerns & Services 860 Spanish & Portuguese Literature
370 Education 870 Latin Literature
380 Trade & Commerce 880 Classical Greek Literature
390 Customs, Etiquette, Folklore 890 Literature of Other Languages
400 Languages 900 History & Geography
410 Linguistics 910 Travel & Geography
420 English Language 920 Genealogy & Geography
430 Germanic & Scandinavian Languages 930 Ancient History
440 French 940 European History
450 Italian 950 Asian History
460 Spanish & Portuguese 960 African History
470 Latin 970 North American History
480 Classical Greek 980 South American History
490 Other Languages 990 History of Other Areas