Columbia subject headings:
El Salvador--Economic conditions--1945-
El Salvador--History.
El Salvador--Politics and government--1979-1992.
El Salvador--Social conditions.
Harvard subject headings:
El Salvador--Economic conditions--1945-
El Salvador--History.
El Salvador--Politics and government--1979-1992.
El Salvador--Social conditions.
Princeton subject headings:
El Salvador--Economic conditions--1945-
El Salvador--History.
El Salvador--Politics and government--1979-1992.
El Salvador--Social conditions.