Columbia subject headings:
Harvard subject headings:
Central America--Foreign relations--United States--Periodicals.
Central America--Politics and government--1979---Periodicals.
United States--Foreign relations--Central America--Periodicals.
Princeton subject headings:
Central America--Foreign relations--United States--Periodicals.
Central America--Politics and government--1979---Periodicals.
United States--Foreign relations--Central America--Periodicals.