Columbia subject headings:
Harvard subject headings:
Boundaries--Periodicals.
Mexican-American Border Region--Economic conditions--Periodicals.
Mexican-American Border Region--Social conditions--Periodicals.
Mexico--Boundaries--United States--Periodicals.
Mexico--Foreign relations--United States--Periodicals.
Mexico--Relations--United States--Periodicals.
United States--Boundaries--Mexico--Periodicals.
United States--Foreign relations--Mexico--Periodicals.
United States--Relations--Mexico--Periodicals.
Princeton subject headings:
Mexican-American Border Region--Economic conditions--Periodicals.
Mexican-American Border Region--Social conditions--Periodicals.
Mexico--Foreign relations--United States--Periodicals.
Mexico--Relations--United States--Periodicals.
Periodicals.
United States--Foreign relations--Mexico--Periodicals.
United States--Relations--Mexico--Periodicals.