Columbia subject headings:
China--Foreign relations--1976-
Soviet Union--Foreign relations--1975-1985.
United States--Foreign relations--1981-1989.
World politics--1985-1995.
Harvard subject headings:
China--Foreign relations--1976-
Soviet Union--Foreign relations--1975-1985
United States--Foreign relations--1981-1989.
United States--Foreign relations--1989-
World politics--1985-1995
Princeton subject headings:
China--Foreign relations--1976-
Soviet Union--Foreign relations--1975-.
United States--Foreign relations--1981-.
World politics--1985-1995.