Columbia subject headings:
Central America--Foreign relations--1979-
Central America--Politics and government--1979-
Peace.
Revolutions--Central America--History--20th century.
Harvard subject headings:
Central America--Foreign relations--1979-
Central America--Politics and government--1979-
Peace
Revolutions--Central America--History--20th century.
Princeton subject headings:
Central America--Foreign relations--1979-
Central America--Politics and government--1979-
Peace.
Revolutions--Central America--History--20th century.