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NDC9 40 National science
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Nippon Decimal Classification 9th ed.
0 General works
·
1 Philosophy
·
2 General history
·
3 Social sciences
·
4 Natural science
·
5 Technology. Engineering
·
6 Industry and Commerce
·
7 The arts. Fine arts
·
8 Language
·
9 Literature
40 Natural science
·
41 Mathematics
·
42 Physics
·
43 Chemistry
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44 Astronomy. Space science
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45 Earth sciences. Geology
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46 Biology
·
47 Botany
·
48 Zoology
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49 Medical sciences
400 Natural science
·
401 Theory and philosophy
·
402 History and conditions
·
403 Bibliographies. Dictionaries. Handbooks. Directories
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404 Essays and lectures
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405 Serial publications, Yearbooks
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406 Organizations
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407 Study and teaching
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408 Collected works. Collections
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409 Science and technology policy, science and technology administration
Subcategories
This category has the following 2 subcategories, out of 2 total.
NDC9 402 History and conditions
(1 C)
NDC9 404 Essays and lectures
(1 C)
