Columbia subject headings:
Harvard subject headings:
Archaeologists--Mexico--Biography.
Archaeology--Mexico.
Bernal, Ignacio, 1910-1992
Ethnology--Mexico
Excavations (Archaeology)--Mexico
Indians of Mexico--Antiquities
Mexico--Antiquities.
Princeton subject headings:
Bernal, Ignacio.
Indians of Mexico--Antiquities.
Mexico--Antiquities.