Columbia subject headings:
Chaco Boreal (Paraguay and Bolivia)--History--20th century.
Chaco War, 1932-1935--Participation, Indian.
Chaco War, 1932-1935.
Indians of South America--Wars--Chaco Boreal (Paraguay and Bolivia)
Harvard subject headings:
Bolivia--History--1879-1938.
Chaco Boreal (Paraguay and Bolivia)--History--20th century.
Chaco War, 1932-1935--Participation, Indian.
Chaco War, 1932-1935.
Indians of South America--Wars--Chaco Boreal (Paraguay and Bolivia)
Paraguay--History--1870-1938.
Princeton subject headings:
Chaco Boreal (Paraguay and Bolivia)--History--20th century.
Chaco War, 1932-1935--Participation, Indian.
Chaco War, 1932-1935.
Indians of South America--Wars--Chaco Boreal (Paraguay and Bolivia).