Columbia subject headings:
Coahuila (Mexico : State)--Antiquities--Bibliography.
Coahuila (Mexico : State)--History--Bibliography.
Indians of Mexico--Mexico--Coahuila (State)--Antiquities--Bibliography.
Indians of Mexico--Mexico--Coahuila (State)--Bibliography.
Harvard subject headings:
Coahuila (Mexico : State)--Antiquities--Bibliography.
Coahuila (Mexico : State)--History--Bibliography.
Indians of Mexico--Mexico--Coahuila (State)--Antiquities--Bibliography.
Indians of Mexico--Mexico--Coahuila (State)--Bibliography.
Princeton subject headings: