Title: Materialien der Brasilien-Expedition 1821-1829 des Akademiemitgliedes Georg Heinrich Freiherr von Langsdorff (Grigorij Ivanovič Langsdorff)
Subjects: Bibliography, Akademii︠a︡ nauk SSSR. Arkhiv, Akademii︠a︡ nauk SSSR, Sources, Russian, Catalogs, Discovery and exploration, Geografia do brasil, Viagens e exploracoes, Pesquisa ou investigacao cientifica