Columbia subject headings:
Indians of Mexico--Mexico--Coahuila (State)
Indians of Mexico--Mexico--Coahuila (State)--Antiquities.
Petroglyphs--Mexico--Coahuila (State)
Rock paintings--Mexico--Coahuila (State)
Harvard subject headings:
Coahuila (Mexico : State)--Antiquities.
Indians of Mexico--Mexico--Coahuila (State)
Indians of Mexico--Mexico--Coahuila (State)--Antiquities.
Petroglyphs--Mexico--Coahuila (State)
Rock paintings--Mexico--Coahuila (State)
Princeton subject headings:
Coahuila (Mexico : State)--Antiquities.
Indians of Mexico--Mexico--Coahuila (State)--Antiquities.
Indians of Mexico--Mexico--Coahuila (State).
Petroglyphs--Mexico--Coahuila (State).
Rock paintings--Mexico--Coahuila (State).