The Nippon Decimal Classification (NDC, also called the Nippon Decimal System) is a system of library classification developed for mainly Chinese and Japanese language books maintained by the Japan Library Association since 1956. It is based on the Dewey Decimal System. The system is based upon using each successive digit to divide into nine divisions with the digit zero used for those not belonging to any of the divisions.
The system is made up of ten categories:
000 General
010 Libraries, Library & information science
020 Books, Bibliography
030 Encyclopaedias
040 General collected essays
050 General serial publications
060 Organizations
070 Journalism, Newspapers
080 General collections
090 Rare books, Local collections, Special collections
100 Philosophy
110 Special treatises on philosophy
120 Oriental philosophy
130 Western philosophy
140 Psychology
150 Ethics & morals
160 Religion
170 Shintoism
180 Buddhism
190 Christianity
200 History
210 History of Japan
220 History of Asia and the Orient
230 History of Europe and the West
240 History of Africa
250 History of North America
260 History of South America
270 History of Oceania & Polar regions
280 Biography
290 Geography, Topography, Travel
300 Social Sciences
310 Politics
320 Law
330 Economics
340 Finance
350 Statistics
360 Sociology
370 Education
380 Customs, Folklore, Ethnology
390 National defence, Military science
400 Natural Sciences
410 Mathematics
420 Physics
430 Chemistry
440 Astronomy, Space science
450 Earth science
460 Biology
470 Botany
480 Zoology
490 Medicine, Pharmacology
500 Technology & Engineering
510 Construction, Civil engineering
520 Architecture
530 Mechanical engineering, Nuclear engineering
540 Electrical & Electronic engineering
550 Maritime & Naval engineering
560 Metal & Mining engineering
570 Chemical technology
580 Manufacturing
590 Domestic arts and sciences
600 Industry and Commerce
610 Agriculture
620 Horticulture
630 Silk industry
640 Animal husbandry
650 Forestry
660 Fishing
670 Commerce
680 Transportation & Traffic
690 Communications
700 Arts
710 Plastic arts (sculpture)
720 Painting & Calligraphy
730 Engraving
740 Photography & Printing
750 Craft
760 Music & Dance
770 Theatre, Motion Pictures
780 Sports, Physical Education
790 Recreation, Amusements
800 Language
810 Japanese
820 Chinese, other oriental languages
830 English
840 German
850 French
860 Spanish
870 Italian
880 Russian
890 Other languages
900 Literature
910 Japanese literature
920 Chinese literature, Other Oriental literature
930 English & American literature
940 German literature
950 French literature
960 Spanish literature
970 Italian literature
980 Russian & Soviet literature
990 Other language literature