Columbia subject headings:
Indians of South America--Ecuador--Antiquities.
Museo Regional Riobamba (Ecuador)
Riobamba (Ecuador)--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--Ecuador--Antiquities--Catalogs.
Indians of South America--Ecuador--Antiquities--Catalogs.
Museo Regional Riobamba (Ecuador)--Catalogs.
Riobamba (Ecuador)--Antiquities--Catalogs.
Princeton subject headings: