Columbia subject headings:
Cultural property--Mexico--Nuevo León (State)
Nuevo León (Mexico : State)--Civilization.
Nuevo León (Mexico : State)--Social life and customs.
Valle de las Salinas (Nuevo León, Mexico)--Civilization.
Harvard subject headings:
Cultural property--Mexico--Nuevo León (State)
Nuevo León (Mexico : State)--Civilization.
Nuevo León (Mexico : State)--Social life and customs.
Princeton subject headings: