0 General works
000 General works
010 Libraries
020 Books. Bibliography
030 General encyclopedias
040 General collected essays
050 General serial publications
060 General societies. Academies
070 Journalism. Newspapers
080 General collections
090 None.
1 Philosophy
100 Philosophy
110 Special treatises on philosophy
120 Oriental thought
130 Western philosophy
140 Psychology
150 Ethics. Morals
160 Religion
170 Shintoism
180 Buddhism
190 Christianity
2 History
200 General history
210 General history of Nippon
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 Generak history of Occeania
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 and folklore
390 National defence. Military science
4 Natural sciences
400 Natural sciences
410 Mathematics
420 Physics
430 Chemistry
440 Astronomy. Space sciences
450 Earth sciences. Geology
460 Biology
470 Botany
480 Zoology
490 Medical scineces
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 Manuffactures
590 Domestic arts and sciences
6 Industry
600 Industry and commerce
610 Agriculture
620 Horticulture
630 Sericulture. Silk industry
640 Animal husbandry
650 Foresty
660 Fishing industry. Fisheries
670 Commerce
680 Transportation services
690 Comminication 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 Languge
810 Nipponese
820 Chinese
830 English
840 German
850 French
860 Spanish
870 Italian
880 Russian
890 Other minor languages
9 Literature
900 Literature
910 Nipponese literature
920 Chinese Literature
930 English and American literature
940 German literatures
950 French literature
960 Spanish literature
970 Italian literature
980 Russian literature
990 Literatures of other languages