Columbia subject headings:
Mexico--Foreign relations--1910-1945--Periodicals.
Mexico--Politics and government--1910-1946--Periodicals.
Mexico. Secretaría de Relaciones Exteriores.
Harvard subject headings:
Mexico--Foreign relations--1910-1946--Periodicals.
Mexico--Politics and government--1910-1946--Periodicals.
Mexico. Secretaría de Relaciones Exteriores.
Princeton subject headings:
Mexico--Foreign relations--1910-1946--Periodicals.
Mexico--Foreign relations--1946-1970.
Mexico--Foreign relations--1970-1988.
Mexico--Politics and government--1910-1945--Periodicals.
Mexico. Secretaría de Relaciones Exteriores--Periodicals.
Periodicals.