Columbia subject headings:
Harvard subject headings:
Central America--Politics and government--1979---Periodicals.
El Salvador--Economic conditions--1945---Periodicals.
El Salvador--Periodicals.
El Salvador--Politics and government--1979-1992--Periodicals.
Princeton subject headings:
El Salvador--Economic conditions--1945---Periodicals.
El Salvador--Politics and government--20th century--Periodicals.
Periodicals.