Columbia subject headings:
Central America--Antiquities.
Excavations (Archaeology)--Central America.
Excavations (Archaeology)--South America.
Indians of Central America--Antiquities.
Indians of South America--Antiquities.
South America--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--America.
Indians of Central America--Antiquities
Indians of Mexico--Antiquities
Indians of South America--Antiquities
Indians--Antiquities
Princeton subject headings:
Central America--Antiquities.
Excavations (Archaeology)--Central America.
Excavations (Archaeology)--South America.
Indians of Central America--Antiquities.
Inidans of South America--Antiquities
South America--Antiquities.