Columbia subject headings:
Harvard subject headings:
China--Foreign relations--United States.
Kennedy, John F. (John Fitzgerald), 1917-1963
Soviet Union--Foreign relations--United States.
United States--Foreign relations--1961-1963.
United States--Foreign relations--China.
United States--Foreign relations--Soviet Union.
Princeton subject headings:
China--Foreign relations--United States.
Soviet Union--Foreign relations--United States.
United States--Foreign relations--1961-1963.
United States--Foreign relations--China.
United States--Foreign relations--Soviet Union.