Columbia subject headings:
Harvard subject headings:
Central America--Politics and government--1951-
Central America--Relations--United States.
El Salvador--Politics and government--1979-1992.
Guatemala--Politics and government--1945-1985
Insurgency--Central America--History--20th century.
Nicaragua--Politics and government--1979-1990.
United States--Relations--Central America.
Princeton subject headings:
Central America--Politics and government--1979-
Central America--Relations--United States.
El Salvador--Politics and government--1979-1992.
Guatemala--Politics and government--1945-1985.
Insurgency--Central America--History--20th century.
Nicaragua--Politics and government--1979-1990.
United States--Relations--Central America.