Columbia subject headings:
Harvard subject headings:
Explorers--Soviet Union--Biography
Voznesenskiĭ, I. G. (Ilʹi︠a︡ Gavrilovich), 1816-1871.
Princeton subject headings:
North Pacific Ocean--Discovery and exploration.
Russian Far East (Russia)--Discovery and exploration.
Voznesenskiĭ, I. G. (Ilʹi︠a︡ Gavrilovich), 1816-1871--Travel.