Using the Dewey Decimal System
000 GENERAL WORKS

The numbers up to 100 are used
for bibliographies, books about books,
and for books which contain
information on many subjects such as
encyclopedias and other reference books
 
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 AND RELATED ARTS
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)
600 General technology
610 Medical sciences and medicine
620 Engineering & allied operations
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 church
260 Christian social theology
270 Christian church history
280 Christian denominations & sects
290 Other & comparative religions
 
700 ARTS
710 Civic & landscape art
720 Architecture
730 Plastic arts Sculpture
740 Drawing & decorative arts
750 Painting & paintings
760 Graphic arts Printmaking & prints
770 Photography & photographs
780 Music
790 Recreational & performing arts
 
300 SOCIAL SCIENCES
300 Sociology and anthropology
310 General statistics
320 Political science
330 Economics
340 Law
350 Public administration
360 Social services; associations
370 Education
380 Commerce, communications, transport
390 Customs, etiquette, folklore
 
800 LITERATURE
810 American literature in English
820 English & Old English literatures
830 Literatures of Germanic languages
840 Literatures of Romance languages
850 Italian, Romanian, Rhaeto-Romanic
860 Spanish & Portuguese literatures
870 Italic literatures Latin
880 Hellenic literatures Classical Greek
890 Literatures of other languages
 
400 LANGUAGE
410 Linguistics
420 English & Old English
430 Germanic languages German
440 Romance languages French
450 Italian, Romanian languages
460 Spanish & Portuguese languages
470 ltalic languages, Latin
480 Hellenic languages, Classical Greek
490 Other languages
 
900 GEOGRAPHY & HISTORY
910 Geography & travel
920 Biography, genealogy, insignia
930 History of ancient world to ca. 499
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