Columbia subject headings:
Harvard subject headings:
Agricultural laborers--Argentina--Pampas--History.
Agriculture--Economic aspects--Argentina--Pampas--History.
Argentina--Description and travel.
Gauchos
Pampas (Argentina)
Pampas (Argentina)--Economic conditions.
Pampas (Argentina)--Population--History.
Pampas (Argentina)--Rural conditions.
Princeton subject headings:
Agricultural laborers--Argentina--Pampas--History.
Agriculture--Economic aspects--Argentina--Pampas--History.
Pampas (Argentina)--Economic conditions.
Pampas (Argentina)--Population--History.
Pampas (Argentina)--Rural conditions.