Nippon Decimal Classification
| 0 | General works |
|---|---|
| 000 | General works |
| 010 | Libraries. Library and information sciences |
| 020 | Books. Bibliography |
| 030 | General encyclopedias |
| 040 | General collected essays |
| 050 | General serial publications |
| 060 | General societies |
| 070 | Journalism. Newspapers |
| 080 | General collections |
| 090 | Rare books. Local collections. Special collections |
| 1 | Philosophy |
|---|---|
| 100 | Philosophy |
| 110 | Special treatises on philosophy |
| 120 | Oriental thought |
| 130 | Western philosophy |
| 140 | Psychology |
| 150 | Ethics. Morals |
| 160 | Religion |
| 170 | Shinto |
| 180 | Buddhism |
| 190 | Christianity |
| 2 | History |
|---|---|
| 200 | General history |
| 210 | General history of Japan |
| 220 | General history of Asia |
| 230 | General history of Europe |
| 240 | General history of Africa |
| 250 | General history of North America |
| 260 | General history of South America |
| 270 | General history of Oceania. General history of Polar regions |
| 280 | General biography |
| 290 | General geography. Description and travel |
| 3 | Social sciences |
|---|---|
| 300 | Social sciences |
| 310 | Political science |
| 320 | Law |
| 330 | Economics |
| 340 | Public finance |
| 350 | Statistics |
| 360 | Society |
| 370 | Education |
| 380 | Customs, folklore and ethnology |
| 390 | National defence. Military science |
| 4 | Natural sciences |
|---|---|
| 400 | Natural sciences |
| 410 | Mathematics |
| 420 | Physics |
| 430 | Chemistry |
| 440 | Astronomy. Space sciences |
| 450 | Earth sciences |
| 460 | Biology |
| 470 | Botany |
| 480 | Zoology |
| 490 | Medical sciences |
| 5 | Technology |
|---|---|
| 500 | Technology. Engineering |
| 510 | Construction. Civil engineering |
| 520 | Architecture. Building |
| 530 | Mechanical engineering |
| 540 | Electrical engineering |
| 550 | Maritime engineering |
| 560 | Metal and mining engineering |
| 570 | Chemical technology |
| 580 | Manufactures |
| 590 | Domestic arts and sciences |
| 6 | Industry |
|---|---|
| 600 | Industry and commerce |
| 610 | Agriculture |
| 620 | Horticulture |
| 630 | Sericulture. Silk industry |
| 640 | Animal husbandry |
| 650 | Forestry |
| 660 | Fishing industry. Fisheries |
| 670 | Commerce |
| 680 | Transportation services |
| 690 | Communication services |
| 7 | The arts |
|---|---|
| 700 | The arts. Fine arts |
| 710 | Sculpture. Plastic arts |
| 720 | Painting. Pictorial arts |
| 730 | Engraving |
| 740 | Photography and photographs |
| 750 | Industrial arts |
| 760 | Music |
| 770 | Theater |
| 780 | Sports and physical training |
| 790 | Accomplishments and amusements |
| 8 | Language |
|---|---|
| 800 | Language |
| 810 | Japanese |
| 820 | Chinese |
| 830 | English |
| 840 | German |
| 850 | French |
| 860 | Spanish |
| 870 | Italian |
| 880 | Russian |
| 890 | Other languages |
| 9 | Literature |
|---|---|
| 900 | Literature |
| 910 | Japanese literature |
| 920 | Chinese literature |
| 930 | English and American literature |
| 940 | German literature |
| 950 | French literature |
| 960 | Spanish literature |
| 970 | Italian literature |
| 980 | Russian literature |
| 990 | Literatures of other languages |