Nippon Decimal Classification
- 0
- General works
- 10
- Libraries
- 20
- Books. Bibliography
- 30
- General encyclopedias
- 40
- General collected essays
- 50
- General serials. Periodicals
- 60
- General societies. Academies
- 70
- Newspapers. Journalisms
- 80
- Collected works. Complete works
- 90
- 100
- Philosophy in general
- 110
- Special treatises on philo
- 120
- Oriental thought
- 130
- Western philosophy
- 140
- Psychology
- 150
- Ethics. Morals
- 160
- Religion
- 170
- Shintoism
- 180
- Buddhism
- 190
- Christianity
- 200
- History in general
- 210
- Japan
- 220
- Asia
- 230
- Europe
- 240
- Africa
- 250
- North America
- 260
- South America
- 270
- Oceania
- 280
- Biography
- 290
- Geography. Journey
- 300
- Social science in general
- 310
- Politics
- 320
- Law
- 330
- Economics
- 340
- Finance
- 350
- Statistics
- 360
- Sociology. Social problems
- 370
- Education
- 380
- Manners and Customs. Folklore
- 390
- National defence. Military affairs
- 400
- Natural science
- 410
- Mathematics
- 420
- Physics
- 430
- Chemistry
- 440
- Astronomy
- 450
- Earth science. Geology
- 460
- Biochemistry
- 470
- Botany
- 480
- Zoology
- 490
- Medical sciences
- 500
- Technology
- 510
- Engineering. Civil engineering
- 520
- Architecture. Building
- 530
- Mechanical engineering
- 540
- Electrical engineering
- 550
- Naval engineering
- 560
- Mining engineering
- 570
- Chemical technology
- 580
- Manufactures
- 590
- Domestic science
- 600
- Industry
- 610
- Agriculture
- 620
- Horticulture
- 630
- Sericulture. Silk industry
- 640
- Animal husbandry. Animal industries
- 650
- Forestry
- 660
- Fisheries. Marine product industries
- 670
- Commerce
- 680
- Transportation services
- 690
- Communication services
- 700
- Fine arts
- 710
- Sculpture. Plastic arts
- 720
- Painting. Pictorial arts
- 730
- Engraving. Prints
- 740
- Photography
- 750
- Industrial arts. Arts and crafts
- 760
- Music
- 770
- Theatricals
- 780
- Sports and physical training
- 790
- Indoorgrames and amusements
- 800
- Linguistics. Science of language
- 810
- Japanese
- 820
- Chinese
- 830
- English
- 840
- German
- 850
- French
- 860
- Spanish
- 870
- Italian
- 880
- Russian
- 890
- Other languages
- 900
- Literature in general
- 910
- Japanese literature
- 920
- Chinese literature
- 930
- English & American literature
- 940
- German literature
- 950
- French literature
- 960
- Spanish literature
- 970
- Italian literature
- 980
- Russian literature
- 990
- Literature of other language
