Columbia subject headings:
Communism--Cuba.
Cuba--History--1959-1990.
Cuba--History--Revolution, 1959.
Cuba--Relations--Soviet Union.
Secret service--Cuba.
Soviet Union--Relations--Cuba.
Harvard subject headings:
Communism--Cuba
Cuba--History--1959-
Cuba--History--Revolution, 1959.
Cuba--Relations--Soviet Union.
Secret service--Cuba.
Soviet Union--Relations--Cuba.
Princeton subject headings: