Columbia subject headings:
Latin America--Relations--United States.
Spain--Relations--United States.
United States--Relations--Latin America.
United States--Relations--Spain.
Harvard subject headings:
Latin America--Relations--United States.
Spain--Relations--United States.
United States--Relations--Latin America.
United States--Relations--Spain.
Princeton subject headings:
Latin America--Relations--United States.
Spain--Relations (general) with the United States.
United States--Relations (general) with Spain.
United States--Relations (general) with Spanish America.