Columbia subject headings:
Economic assistance, American--El Salvador.
El Salvador--Economic conditions--1945-
El Salvador--Social conditions.
Political refugees--El Salvador.
Harvard subject headings:
Economic assistance, American--El Salvador.
El Salvador--Economic conditions--1945-
El Salvador--Social conditions.
Political refugees--El Salvador.
Princeton subject headings:
Economic assistance, American--El Salvador.
El Salvador--Economic conditions--1945-
El Salvador--Social conditions.
Political refugees--El Salvador.