Columbia subject headings:
Brazil--Discovery and exploration--Russian.
Explorers--Brazil--Biography.
Explorers--Soviet Union--Biography.
Langsdorff, G. H. von (Georg Heinrich), 1774-1852--Travel--Brazil.
Soviet Union--Discovery and exploration.
Harvard subject headings:
Brazil--Discovery and exploration--Russian.
Discoveries in geography--Soviet Union.
Explorers--Brazil--Biography
Explorers--Germany--Biography.
Explorers--Soviet Union--Biography
Langsdorff, G. H. von (Georg Heinrich), 1774-1852--Journeys--Brazil.
Langsdorff, G. H. von (Georg Heinrich), 1774-1852--Travel--Brazil.
Princeton subject headings:
Brazil--Discovery and exploration--Russian.
Explorers--Brazil--Biography.
Explorers--Soviet Union--Biography.
Langsdorff, G. H. von (Georg Heinrich von), 1774-1852--Travel--Brazil.
Soviet Union--Exploring expeditions.