Columbia subject headings:
Cárdenas Solórzano, Cuauhtémoc.
Harvard subject headings:
Cárdenas Solórzano, Cuauhtémoc
Mexico--Politics and government--1970-1988--Miscellanea.
Mexico--Social conditions--1970---Miscellanea.
Presidents--Mexico--Election--Miscellanea.
Princeton subject headings: