Columbia subject headings:
Cuba--Economic conditions--1959-1990.
Cuba--Politics and government--1959-1990.
Cuba--Social conditions--1959-1990.
Socialism--Cuba--History--20th century.
Harvard subject headings:
Cuba--Economic conditions--1959-1990.
Cuba--Politics and government--1959-
Cuba--Politics and government--1959-1990.
Cuba--Social conditions--1959-
Cuba--Social conditions--1959-1990.
Socialism--Cuba--20th century.
Socialism--Cuba--History--20th century.
Princeton subject headings:
Cuba--Economic conditions--1959-1990.
Cuba--Politics and government--1959-1990.
Cuba--Social conditions--1959-.
Socialism--Cuba--History--20th century.