Columbia subject headings:
Harvard subject headings:
Brazil. Comissão de Linhas Telegráficas Estratégicas de Mato Grosso ao Amazonas.
Ethnographic films--Brazil.
Indians in motion pictures.
Indians of South America--Brazil--Social conditions
Princeton subject headings:
Brazil--Discovery and exploration.
Brazil. Comissão de Linhas Telegráficas Estratégicas de Mato Grosso ao Amazonas--In motion pictures.
Ethnology--In motion pictures.
Indians of South America--Brazil--In motion pictures.
Roosevelt-Rondon Scientific Expedition (1913-1914)