Columbia subject headings:
Argentina--Description and travel.
Jesuits--South America.
Paraguay River.
Paraguay--Description and travel.
Paraná River (Brazil-Argentina)
Río de la Plata (Argentina and Uruguay)
United States--Discovery and exploration.
Uruguay--Description and travel.
Harvard subject headings:
America--Discovery and exploration.
Argentina--Description and travel.
Discoveries in geography--American.
Jesuits--South America.
Paraguay River.
Paraguay--Description and travel.
Paraná River (Brazil-Argentina).
Río de la Plata (Argentina and Uruguay)
Uruguay--Description and travel.
Princeton subject headings:
Argentina--Description and travel.
Jesuits--South America.
Paraguay River.
Paraguay--Description and travel.
Paraná River.
Río de la Plata (Argentina and Uruguay)
United States--Exploring expeditions.
Uruguay--Description and travel.