Columbia subject headings:
Europe, Eastern--Foreign relations--Soviet Union.
Europe, Eastern--Foreign relations--United States.
Europe, Eastern--Politics and government--1945-
Soviet Union--Foreign relations--Europe, Eastern.
Soviet Union--Foreign relations--United States.
United States--Foreign relations--1981-1989.
United States--Foreign relations--Europe, Eastern.
United States--Foreign relations--Soviet Union.
Harvard subject headings:
Europe, Eastern--Foreign relations--Soviet Union.
Europe, Eastern--Foreign relations--United States.
Europe, Eastern--Politics and government--1945-1989.
Soviet Union--Foreign relations--Europe, Eastern.
Soviet Union--Foreign relations--United States.
United States--Foreign relations--1981-1989.
United States--Foreign relations--1989-
United States--Foreign relations--Europe, Eastern.
United States--Foreign relations--Soviet Union.
Princeton subject headings:
Europe, Eastern--Foreign relations--Soviet Union.
Europe, Eastern--Foreign relations--United States.
Soviet Union--Foreign relations--Europe, Eastern.
Soviet Union--Foreign relations--United States.
United States--Foreign relations--Europe, Eastern.
United States--Foreign relations--Soviet Union.