Title: Lectures delivered by Colonel Candido Mariano da Silva Rondon, Chief of the Commission
Subjects: Brazil, Brazil. Comissão de Linhas Telegráficas Estratégicas de Mato Grosso ao Amazonas, Discovery and exploration, Roosevelt-Rondon Scientific Expedition (1913-1914), Telegraph, America, discovery and exploration, Roosevelt-Rondon Scientific Expedition (1913-1914) http://id.loc.gov/authorities/names/n81028089, Commissão de Linhas Telegraphicas Estrategicas de Matto Grosso ao Amazonas
Places: Brazil