Columbia subject headings:
Ecology--Mexico--Baja California (Peninsula)
Natural history--Mexico--Baja California (Peninsula)
Harvard subject headings:
Human ecology--Mexico--Baja California--History.
Indians of Mexico--Mexico--Baja California--History.
Indians of Mexico--Mexico--Baja California--Social life and customs.
Princeton subject headings:
Human ecology--Mexico--Baja California--History.
Indians of Mexico--Mexico--Baja California--History.
Indians of Mexico--Mexico--Baja California--Social life and customs.