Columbia subject headings:
Brazil--Description and travel.
Roosevelt River (Brazil)
Roosevelt-Rondon Scientific Expedition (1913-1914)
Zoology--Brazil.
Harvard subject headings:
Brazil--Description and travel
Roosevelt River (Brazil)
Roosevelt-Rondon Scientific Expedition (1913-1914)
Zoology--Brazil
Princeton subject headings:
Brazil--Description and travel.
Roosevelt River (Brazil)
Roosevelt-Rondon Scientific Expedition.
Zoology--Brazil.