Columbia subject headings:
Harvard subject headings:
Puebla de Zaragoza (Mexico)--Civilization.
Puebla de Zaragoza (Mexico)--History.
Pérez Salazar, Francisco, 1888-1941--Family.
Princeton subject headings:
Pérez de Salazar family.
Puebla de Zaragoza (Mexico)--Genealogy.
Puebla de Zaragoza (Mexico)--History.