Columbia subject headings:
Harvard subject headings:
Mao, Zedong, 1893-1976--Philosophy.
Mao, Zedong, 1893-1976--Views on communism.
Princeton subject headings:
Communism.
Mao, Zedong, 1893-1976--Philosophy.
Mao, Zedong, 1893-1976--Views on communism.