Columbia subject headings:
Harvard subject headings:
China--History--Civil War, 1945-1949--Underground movements.
Communism--China--Sichuan Sheng--History.
Sichuan Sheng (China)--History.
Princeton subject headings:
Chongqing (China)--History.
Communism--China--Sichuan Sheng--History.
Sichuan Sheng--History.