Columbia subject headings:
Cuba--Foreign relations--United States.
Cuba--Politics and government--1959-1990.
United States--Foreign relations--Cuba.
Harvard subject headings:
Cuba--Foreign relations--United States
Cuba--Politics and government--1959-
United States--Foreign relations--Cuba
Princeton subject headings:
Cuba--Foreign relations--United States.
Cuba--Politics and government--1959-1990.
United States--Foreign relations--Cuba.