Columbia subject headings:
Harvard subject headings:
Explorers--Soviet Union--Biography
Polar regions--Discovery and exploration--Russian.
Treshnikov, A. F. (Alekseĭ Fedorovich)
Princeton subject headings:
Explorers--Soviet Union--Biography.
Polar regions--Discovery and exploration--Russian.
Treshnikov, A. F. (Alekseĭ Fedorovich)