Columbia subject headings:
Kinship--Mexico--Mezquital River Valley (Durango)
Mezquital River Valley (Durango, Mexico)--Social life and customs.
Otomi Indians--Social life and customs.
Harvard subject headings:
El Cardonal (Mexico)--Economic conditions.
El Cardonal (Mexico)--Social life and customs.
Otomi Indians--Economic conditions.
Otomi Indians--Kinship.
Princeton subject headings:
El Cardonal (Mexico)--Economic conditions.
El Cardonal (Mexico)--Social life and customs.
Otomi Indians--Economic conditions.
Otomi Indians--Kinship.