Columbia subject headings:
Harvard subject headings:
Communism--China--Shaanxi Sheng--History.
Communism--China--Sichuan Sheng--History.
Shaanxi Sheng (China)--History.
Sichuan Sheng (China)--History.
Princeton subject headings:
Communism--China--Shaanxi Sheng--History.
Communism--China--Szechwan Province--History.
Shaanxi Sheng (China)--History.
Sichuan Sheng (China)--History.