The classification table of China Library Classification is divided into 22 categories, and their identifiers and class names are as follows:
I Marxism-Leninism and Mao Zedong Thought.
philosophy
Introduction to social science
Politics, law
E military
F economy
G. Culture, science, education and sports
H. Language and writing
I. Literature
J art
History, geography
Introduction to natural science
Mathematical science and chemistry
P astronomy, earth science
Q bioscience
Medicine and health
American agricultural science
technology
U transportation
V. Aviation and aerospace
X. Environmental science
Z comprehensive books
For a detailed list and contents, please refer to China Library Classification Summary.