Columbia subject headings:
Cold War--History--Sources.
Europe, Eastern--Foreign relations--United States--Sources.
Soviet Union--Foreign relations--1945-1991--Sources.
Soviet Union--Foreign relations--United States--Sources.
United States--Foreign relations--Europe, Eastern--Sources.
United States--Foreign relations--Soviet Union--Sources.
United States. Central Intelligence Agency--History--Sources.
Harvard subject headings:
Cold War--Sources
Europe, Eastern--Foreign relations--1989-
Europe, Eastern--Foreign relations--United States--Sources.
Perestroĭka--Sources.
Soviet Union--Economic policy--1986-1991--Sources.
Soviet Union--Foreign relations--1985-1991--Sources.
Soviet Union--Foreign relations--United States--Sources.
Soviet Union--Military relations--Sources.
Soviet Union--Politics and government--1985-1991--Sources.
United States--Foreign relations--1989-1993.
United States--Foreign relations--Europe, Eastern--Sources.
United States--Foreign relations--Soviet Union--Sources.
United States. Central Intelligence Agency--History--Sources.
Princeton subject headings:
Cold War--History--Sources.
Europe, Eastern--Foreign relations--United States--Sources.
Soviet Union--Foreign relations--1945-1991--Sources.
Soviet Union--Foreign relations--United States--Sources.
United States--Foreign relations--Europe, Eastern--Sources.
United States--Foreign relations--Soviet Union--Sources.
United States. Central Intelligence Agency--History--Sources.