Columbia subject headings:
Central America--Politics and government--1979---Handbooks, manuals, etc.
Central America--Relations--United States--Handbooks, manuals, etc.
United States--Relations--Central America--Handbooks, manuals, etc.
Harvard subject headings:
Central America--Politics and government--1979---Handbooks, manuals, etc.
Central America--Relations--United States--Handbooks, manuals, etc.
United States--Relations--Central America--Handbooks, manuals, etc.
Princeton subject headings:
Central America--Politics and government--1979---Handbooks, manuals, etc.
Central America--Relations--United States--Handbooks, manuals, etc.
United States--Relations--Central America--Handbooks, manuals, etc.