Columbia subject headings:
Guatemala--Foreign relations--1945-
Guatemala--Relations--Mexico.
Mexico--Foreign relations--1970-1988.
Mexico--Relations--Guatemala.
Harvard subject headings:
Guatemala--Foreign relations--1945-
Guatemala--Relations--Mexico.
Mexico--Foreign relations--1970-1988.
Mexico--Relations--Guatemala.
Princeton subject headings:
Guatemala--Foreign relations--1945-
Guatemala--Relations--Mexico.
Mexico--Foreign relations--1970-1988.
Mexico--Relations--Guatemala.