Columbia subject headings:
Harvard subject headings:
Argentina--Antiquities.
Argentina--Pampas--Antiquities.
Excavations (Archaeology)--Argentina--Pampas.
Frontier and pioneer life--Argentina--Pampas--History.
Frontier and pioneer life--Argentina--Pampas.
Pampas (Argentina)--Antiquities.
Pampas (Argentina)--Social life and customs.
Princeton subject headings:
Pampas (Argentina)--Antiquities.
Pampas (Argentina)--History.
Pampas (Argentina)--Social life and customs.