Columbia subject headings:
Harvard subject headings:
Calles, Plutarco Elías, 1877-1945--Archives.
Mexico--Politics and government--1910-1946--Archival resources.
Mexico--Politics and government--20th century--Archival resources.
Torreblanca, Fernando, 1895-1980--Archives.
Princeton subject headings:
Calles, Plutarco Elías, 1877-1945--Archives.
Mexico--Politics and government--1910-1946--Archival resources.
Mexico--Politics and government--20th century--Archival resources.
Torreblanca, Fernando, 1895-1980--Archives.