I would like to ask about the classification of books in bookstores.

Basic humanities subjects: philosophy A, religion B, ethics C, logic D, aesthetics E, psychology F, language G, literature H, art I, politics J, economy K, military L, law M, education N, sports O, media P, information Q, management R, business S, history T, archaeology U, nationality V, life W, wealth X.

Natural basic disciplines: A astronomy, B geography, C mathematics, D physics, E chemistry, F biology, G machinery, H telecommunications, I water conservancy, J electric power, K textile, L food, M architecture, N mine, O metallurgy, P energy, Q transportation, R aerospace, S medicine, T engineering, U agriculture, V forestry, W aquaculture, X computer.

Libraries are generally as follows:

I Marxism-Leninism, Mao Zedong Thought and Deng Xiaoping Theory

Philosophy, religion

Introduction to social science

Politics, law

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

Q bioscience

Medicine and health

American agricultural science

technology

TP automation technology, computer technology

TQ chemical industry

Slaughterhouse science

Television water conservancy project

U transportation

V. Aviation and aerospace

X. Environmental Science and Safety Science

Z comprehensive books