Columbia subject headings:
Harvard subject headings:
Pilot guides--Arctic Ocean--Early works to 1800.
Pilot guides--Barents Sea--Early works to 1800.
Pilot guides--Berents Sea--Early works to 1800.
Pilot guides--Russia (Federation)--White Sea--Early works to 1800.
Princeton subject headings:
Navigation--Soviet Union, Northern--History.
Russia, Northern--Discovery and exploration--Russian.