Columbia subject headings:
Andes--Antiquities--Congresses.
Excavations (Archaeology)--Andes--Congresses.
Indians of South America--Andes--Antiquities--Congresses.
Harvard subject headings:
Andes Region--Antiquities--Congresses.
Evans, Clifford, 1920-1981--Congresses.
Excavations (Archaeology)--Andes--Congresses.
Indians of South America--Andes Region--Antiquities--Congresses
Princeton subject headings:
Andes--Antiquities--Congresses.
Excavations (Archaeology)--Andes--Congresses.
Indians of South America--Andes--Antiquities--Congresses.