Columbia subject headings:
Cuba--Politics and government--1959-1990.
Partido Socialista Popular (Cuba)
Socialism--Cuba.
Harvard subject headings:
Cuba--Economic conditions--1959-1990.
Cuba--Politics and government--1959-1990.
Cuba--Social conditions
Partido Comunista de Cuba.
Partido Socialista Popular (Cuba)
Socialism--Cuba.
Princeton subject headings:
Cuba--Politics and government--1959-1990.
Partido Socialista Popular (Cuba)
Socialism--Cuba.