Columbia subject headings:
Cuba--History--1959-1990--Sources.
Cuba--History--Invasion, 1961--Sources.
Imperialism--History--Sources.
Socialism--Cuba--History--Sources.
Harvard subject headings:
Cuba--History--1959---Sources.
Cuba--History--Invasion, 1961--Sources.
Imperialism--History--Sources.
Socialism--Cuba--History--Sources.
Princeton subject headings:
Cuba--History--1959-1990--Sources.
Cuba--History--Invasion, 1961--Sources.
Imperialism--History--Sources.
Socialism--Cuba--History--Sources.