Columbia subject headings:
Communists--Mexico--Biography.
Cárdenas, Lázaro, 1895-1970.
Mexico--Politics and government--1910-1946.
Mexico--Politics and government--1946-1970.
Presidents--Mexico--Biography.
Harvard subject headings:
Cárdenas, Lázaro, 1895-1970.
Mexico--Politics and government--1910-1946.
Princeton subject headings: