If you want to do a subject heading search on books about the Chinese military, use the following subject headings. Replace the "--" with the blank space.
For the history of the People's Liberation Army (PLA), use China. Zhongguo ren min jie fang jun -- History. The call number is around UA837 area.
For the general information of the Chinese military, use China -- History, Military. The call number is around DS775.4.
For the political work of the PLA, use China -- Armed Forces -- Political Activity. The call number is around UA838.
For China's general military affairs issues, use Military art and science -- China. The call number is around U43.C6 area.