Columbia subject headings:
Government missions--Soviet Union.
Soviet Union--Foreign relations--United States.
Soviet Union--Politics and government--1985-1991.
United States--Foreign relations--Soviet Union.
United States--Politics and government--1981-1989.
Harvard subject headings:
Princeton subject headings:
Government missions, American--Soviet Union.
Soviet Union--Foreign relations--United States.
Soviet Union--Politics and government.
United States--Foreign relations--Soviet Union.
United States--Politics and government--20th century.
World politics--20th century.