Columbia subject headings:
Mexico--Relations--Panama.
Panama--Economic conditions--1979-
Panama--Politics and government--1946-1981.
Panama--Relations--Mexico.
Harvard subject headings:
Mexico--Relations--Panama.
Panama--Economic conditions--1979-
Panama--Politics and government--1946-1981.
Panama--Politics and government--1981-
Panama--Relations--Mexico.
Princeton subject headings:
Mexico--Foreign economic relations--Panama.
Mexico--Foreign relations--Panama.
Panama--Economic conditions--1979-
Panama--Foreign economic relations--Mexico.
Panama--Foreign relations--Mexico.