Dewey Decimal Classification System

Sooner or later you will encounter a library which uses the Dewey Decimal Classification System (DDC).  To assist you in retrieving books from such a library, the subjects of the DDC system are listed below:

000 GENERALITIES
100 PHILOSOPHY & RELATED DISCIPLINES
200 RELIGION
300 THE SOCIAL SCIENCES
400 LANGUAGE
500 PURE SCIENCE
600 TECHNOLOGY (APPLIED SCIENCES)
700 THE ARTS
800 LITERATURE & BELLES-LETTRES
900 GENERAL GEOGRAPHY & HISTORY

000 GENERALITIES

010 Bibliographies & Catalogs
020 Library & Information Sciences
030 General Encyclopedic Works
040
050 General Serial Publications
060 General Organizations & Museology
070 Journalism, Publishing, Newspapers
080 General Collections
090 Manuscripts

100 PHILOSOPHY & RELATED DISCIPLINES

110 Metaphysics
120 Knowledge, Cause, Purpose, Man
130 Popular - Parapsychology, Occultism
140 Specific Philosophical Viewpoints
150 Psychology
160 Logic
170 Ethics (Moral Philosophy)
180 Ancient, Medieval, Oriental
190 Modern Western Philosophy

200 RELIGION

210 Natural Religion
220 Bible
230 Christian Doctrinal Theology
240 Christian Moral & Devotional
250 Local Church & Religious Orders
260 Social & Ecclesiastical Theology
270 History & Geography of Church
280 Christian Denominations & Sects
290 Other Religions & Comparative

300 THE SOCIAL SCIENCES

310 Statistics
320 Political Science
330 Economics
340 Law
350 Public Administration
360 Social Pathology & Services
370 Education
380 Commerce
390 Customs - Folklore

400 LANGUAGE

410 Linguistics
420 English & Anglo-Saxon Languages
430 Germanic Languages (German)
440 Romance Languages (French)
450 Italian, Romanian, Rhaeto-Romanic
460 Spanish & Portuguese Languages
470 Italic Languages
480 Hellenic (Classical Greek)
490 Other Languages

500 PURE SCIENCE

510 Mathematics
520 Astronomy & Allied Sciences
530 Physics
540 Chemistry & Allied Sciences
550 Sciences of Earth & Other Worlds
560 Paleontology
570 Life Sciences
580 Botanical Sciences
590 Zoological Sciences

600 TECHNOLOGY (APPLIED SCIENCES)

610 Medical Sciences
620 Engineering - Allied Operations
630 Agriculture - Related
640 Domestic Arts & Sciences
650 Managerial Services
660 Chemical & Related Technologies
670 Manufactures
680 Miscellaneous Manufactures
690 Buildings

700 THE ARTS

710 Civic & Landscape Art
720 Architecture
730 Plastic Arts Sculpture
740 Drawing, Decorative & Minor Arts
750 Painting & Paintings
760 Graphic Arts Prints
770 Photography & Photographs
780 Music
790 Recreational & Performing Arts

800 LITERATURE & BELLES-LETTRES

810 American Literature in English
820 English & Anglo-Saxon Literatures
830 Literatures of Germanic Languages
840 Literatures of Romance Languages
850 Italian, Romanian, Rhaeto-Romanic
860 Spanish & Portuguese Literatures
870 Italic Languages & Literatures; Latin
880 Hellenic Languages & Literatures
890 Literatures of Other Languages

900 GENERAL GEOGRAPHY & HISTORY

910 General Geography & Travel
920 General Biography & Genealogy
930 General History of Ancient World
940 General History of Europe
950 General History of Asia
960 General History of Africa
970 General History of North America
980 General History of South America
990 General History of Other Areas