Columbia subject headings:
Communism--Latin America.
Cuba--Politics and government--1959-1990.
Guevara, Che, 1928-1967--Correspondence.
Latin America--Foreign relations--United States.
Latin America--Politics and government--1948-1980.
Latin America--Social conditions--1945-1982.
Harvard subject headings:
Communism--Latin America
Latin America--History.
Latin America--Politics and government--1948-1980.
Princeton subject headings:
Communism--Latin America.
Latin America--History.
Latin America--Politics and government--1948-1980.