| 000 | General works | 500 | Technology |
| 010 | Libraries | 510 | Engineering. Civil engineering |
| 020 | Books. Bibliography | 520 | Architecture. Building |
| 030 | General encyclopedias | 530 | Mechanical engineering |
| 040 | General collected essays | 540 | Electrical engineering |
| 050 | General serials. Periodicals | 550 | Naval engineering |
| 060 | General societies. Academies | 560 | Mining engineering |
| 070 | Newspapers. Journalisms | 570 | Chemical technology |
| 080 | Collected works. Complete works | 580 | Manufactures |
| 090 | 590 | Domestic science | |
| 100 | Philosophy in general | 600 | Industry |
| 110 | Special treatises on philo | 610 | Agriculture |
| 120 | Oriental thought | 620 | Horticulture |
| 130 | Western philosophy | 630 | Sericulture. Silk industry |
| 140 | Psychology | 640 | Animal husbandry. Animal industries |
| 150 | Ethics. Morals | 650 | Forestry |
| 160 | Religion | 660 | Fisheries. Marine product industries |
| 170 | Shintoism | 670 | Commerce |
| 180 | Buddhism | 680 | Transportation services |
| 190 | Christianity | 690 | Communication services |
| 200 | History in general | 700 | Fine arts |
| 210 | Japan | 710 | Sculpture. Plastic arts |
| 220 | Asia | 720 | Painting. Pictorial arts |
| 230 | Europe | 730 | Engraving. Prints |
| 240 | Africa | 740 | Photography |
| 250 | North America | 750 | Industrial arts. Arts and crafts |
| 260 | South America | 760 | Music |
| 270 | Oceania | 770 | Theatricals |
| 280 | Biography | 780 | Sports and physical training |
| 290 | Geography. Journey | 790 | Indoorgrames and amusements |
| 300 | Social science in general | 800 | Linguistics. Science of language |
| 310 | Politics | 810 | Japanese |
| 320 | Law | 820 | Chinese |
| 330 | Economics | 830 | English |
| 340 | Finance | 840 | German |
| 350 | Statistics | 850 | French |
| 360 | Sociology. Social problems | 860 | Spanish |
| 370 | Education | 870 | Italian |
| 380 | Manners and Customs. Folklore | 880 | Russian |
| 390 | National defence. Military affairs | 890 | Other languages |
| 400 | Natural science | 900 | Literature in general |
| 410 | Mathematics | 910 | Japanese literature |
| 420 | Physics | 920 | Chinese literature |
| 430 | Chemistry | 930 | English & American literature |
| 440 | Astronomy | 940 | German literature |
| 450 | Earth science. Geology | 950 | French literature |
| 460 | Biochemistry | 960 | Spanish literature |
| 470 | Botany | 970 | Italian literature |
| 480 | Zoology | 980 | Russian literature |
| 490 | Medical sciences | 990 | Literature of other language |