The Ten Main Classes of Dewey
000 • Computer science, general works, and information
100 • Philosophy and psychology
200 • Religion
300 • Social sciences
400 • Language
500 • Science
600 • Technology
700 • Arts and recreation
800 • Literature
900 • History and geography
000 • Computer science, knowledge, and systems
010 • Bibliographies
020 • Library and information sciences
030 • Encyclopedias and books of facts
050 • Magazines, journals, and serials
060 • Associations, organizations, and museums
070 • News media, journalism, and publishing
080 • Quotations
090 • Manuscripts and rare books
100 • Philosophy
110 • Metaphysics
120 • Epistemology
130 • Parapsychology and occultism
140 • Philosophical schools of thought
150 • Psychology
160 • Philosophical logic
170 • Ethics
180 • Ancient, medieval, and Eastern philosophy
190 • Modern western philosophy
200 • Religion
210 • Philosophy and theory of religion
220 • The Bible
230 • Christianity
240 • Christian practice and observance
250 • Christian orders and local church
260 • Social and ecclesiastical theology
270 • History of Christianity
280 • Christian denominations
290 • Other religions
300 • Social sciences, sociology, and anthropology
310 • Statistics
320 • Political sciences
330 • Economics
340 • Law
350 • Public administration and military science
360 • Social problems and social sciences
370 • Education
380 • Commerce, communications, and transportation
390 • Customs, etiquette, and folklore
400 • Language
410 • Linguistics
420 • English and Old English languages
430 • German and related languages
440 • French and related languages
450 • Italian, Romanian, and related languages
460 • Spanish, Portuguese, and Galician
470 • Latin and Italic languages
480 • Classical and modern Greek languages
490 • Other languages
500 • Science
510 • Mathematics
520 • Astronomy
530 • Physics
540 • Chemistry
550 • Earth sciences and geology
560 • Fossils and prehistoric life
570 • Biology
580 • Natural history of plants
590 • Natural history of animals
600 • Technology
610 • Medicine and health
620 • Engineering
630 • Agriculture
640 • Home and family management
650 • Management and public relations
660 • Chemical engineering
670 • Manufacturing
680 • Manufacturing for specific uses
690 • Construction of buildings
700 • Arts
710 • Area planning and landscape architecture
720 • Architecture
730 • Sculpture, ceramics, and metalwork
740 • Graphic arts and decorative arts
750 • Painting
760 • Printmaking and prints
770 • Photography, computer art, film, and video
780 • Music
790 • Sports, games, and entertainment
800 • Literature, rhetoric, and criticism
810 • American literature in English
820 • English and Old English literatures
830 • German and related literatures
840 • French and related literatures
850 • Italian, Romanian, and related literatures
860 • Spanish, Portuguese, and Galician literatures
870 • Latin and Italic literatures
880 • Classical and modern Greek literatures
890 • Other literatures
900 • History
910 • Geography and travel
920 • Biography and genealogy
930 • History of ancient world (to 499 CE)
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
370 • Education
371 • Schools and their activities and special education
372 • Primary education (elementary education)
373 • Secondary education
374 • Adult education
375 • Curricula
378 • Higher education
379 • Public policy issues in education
510 • Mathematics
511 • General principles of mathematics
512 • Algebra
513 • Arithmetic
514 • Topology
515 • Analysis
516 • Geometry
518 • Numerical analysis
519 • Probabilities and applied mathematics
780 • Music
781 • General principles and musical forms
782 • Vocal music
783 • Music for single voices
784 • Instruments and instrumental ensembles and their music
785 • Ensembles with only one instrument per part
786 • Keyboard, mechanical, electrophonic, and percussion instruments
787 • Stringed instruments
788 • Wind instruments
789 • Composers and traditions of music