Category:CLC N91 Natural Research, Natural History
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Chinese Library Classification
A Marxism, Leninism, Mao Zedong Thought and Deng Xiaoping Theory ·
B Philosophy, Religion ·
C General Social Sciences ·
D Politics, Law ·
E Military ·
F Economics ·
G Culture, Science, Education, Sports ·
H Language, Writing ·
I Literature ·
J Art ·
K History and Geography ·
N General Natural Sciences ·
O Mathematical Sciences and Chemistry ·
P Astronomy and Earth Sciences ·
Q Biological Sciences ·
R Medicine, Health ·
S Agricultural Sciences ·
T Industrial Technology ·
U Transportation ·
V Aviation and Aerospace ·
X Environmental Science, Safety Science ·
Z General Books
N-55 ·
N-7 ·
N0 Theory and Methodology of Natural Sciences ·
N1 Current Status and Development of Natural Sciences ·
N2 Natural Science Organizations, Groups, Conferences ·
N3 Natural Science Research Methods ·
N4 Education and Popularization of Natural Sciences ·
N5 Natural Science Series, Anthologies, Serial Publications ·
N6 Natural Science Reference Books ·
N7 Information Retrieval Tools in Natural Science ·
N8 Natural Science Surveys and Investigations ·
N9
N91 Natural Research, Natural History ·
N93 Nonlinear Science ·
N94 System Science ·
N99 Information Science, Intelligence Work
N91-282 ·
N91-49
Subcategories
This category has the following 3 subcategories, out of 3 total.
