Columbia subject headings:
Argentina--Description and travel.
Indians of South America.
Paraguayan War, 1865-1870.
Uruguay--Description and travel.
Harvard subject headings:
Argentina--Description and travel.
Indians of South America
Paraguayan War, 1865-1870.
Paraná (Argentina)
South America--Description and travel.
Uruguay--Description and travel.
Princeton subject headings:
Argentina--Description and travel.
Indians of South America.
Paraguayan War, 1865-1870.
Uruguay--Description and travel.