Columbia subject headings:
Biblioteca Francisco Xavier Clavigero--Catalogs.
Carreño, Alberto María, 1875-1962--Art collections.
Cruz Díaz, Fernando, 1912-1981--Art collections.
Enríquez Romero, Manuel Fernando, 1893-1976--Art collections.
Esquivel Obregón, Toribio, 1864-1946--Art collections.
Mexico--Description and travel.
Mexico--Pictorial works.
Postcards--Mexico--History--19th century.
Postcards--Mexico--History--20th century.
Harvard subject headings:
Biblioteca Francisco Xavier Clavigero--Art collections--Catalogs.
Mexico--Description and travel--Catalogs.
Mexico--Pictorial works--Catalogs.
Postcards--Mexico--History--20th century--Catalogs.
Princeton subject headings: