Columbia subject headings:
Harvard subject headings:
China--Foreign relations--1949-1976.
China--Foreign relations--United States.
Mao, Zedong, 1893-1976
Nixon, Richard M. (Richard Milhous), 1913-1994--Travels--China.
United States--Foreign relations--1969-1974.
United States--Foreign relations--China.
Visits of state--China
Princeton subject headings:
China--Foreign relations--1949-1976.
China--Foreign relations--United States.
Mao, Zedong, 1893-1976.
Nixon, Richard M. (Richard Milhous), 1913---Journeys--China.
United States--Foreign relations--1969-1974.
United States--Foreign relations--China.
Visits of state--China.