Columbia subject headings:
Harvard subject headings:
China--History--Cultural Revolution, 1966-1976.
Liu, Shaoqi, 1898-1969
Zhongguo gong chan dang--Purges.
Princeton subject headings:
China--History--Cultural Revolution, 1966-1976.
Heads of state--China--Biography.
Liu, Shaoqi, 1898-1969.