Columbia subject headings:
Cold War.
Gorbachev, Mikhail Sergeevich, 1931-
Reagan, Ronald.
Soviet Union--Foreign relations--United States.
United States--Foreign relations--1981-1989.
United States--Foreign relations--Soviet Union.
Harvard subject headings:
Cold War--Congresses
Gorbachev, Mikhail Sergeevich, 1931---Congresses.
Reagan, Ronald--Congresses.
Soviet Union--Foreign relations--United States--Congresses.
United States--Foreign relations--1981-1989--Congresses.
United States--Foreign relations--Soviet Union--Congresses.
Princeton subject headings:
World politics--1989-