Columbia subject headings:
Harvard subject headings:
Chihuahua (Chihuahua, Mexico)--Description and travel.
Documentary photography
Díaz, Porfirio, 1830-1915--Journeys--Mexico--Chihuahua.
Princeton subject headings:
Chihuahua (Chihuahua, Mexico)--Description and travel.
Díaz, Porfirio, 1830-1915--Travel--Mexico--Chihuahua (Chihuahua).
Visits of state--Mexico--Chihuahua (Chihuahua).