Columbia subject headings:
Bolivia--Rural conditions.
Chaco War, 1932-1935--Social aspects.
Social conflict--Bolivia--History--20th century.
Harvard subject headings:
Bolivia--Rural conditions.
Chaco War, 1932-1935--Social aspects.
Social conflict--Bolivia--History--20th century.
Princeton subject headings:
Bolivia--History--1879-1938--Social aspects.
Chaco War, 1932-1935--Social aspects.