Columbia subject headings:
Aztecs--Social conditions.
Culhuacán (Mexico)--Social conditions.
Indians of Mexico--Social conditions.
Nahuas--Social conditions.
Harvard subject headings:
Aztecs--Social conditions.
Culhuacán (Mexico)--Social conditions.
Indians of Mexico--Social conditions
Nahuas--Social conditions.
Princeton subject headings:
Aztecs--Social conditions.
Culhuacán (Mexico)--Social conditions.
Indians of Mexico--Social conditions.
Nahuas--Social conditions.