Bering's voyages : an account of the efforts of the Russians to determine the relation of Asia and America. Kamchatskaia ekspeditsiia 1725-1730); Kamchatskaia ekspeditsiia 1733-1743). Colder:Bering's Voyages,Vol.II Amer. Geogr. Soc. Research

Bering's voyages : an account of the efforts of the Russians to determine the relation of Asia and America. Kamchatskaia ekspeditsiia 1725-1730); Kamchatskaia ekspeditsiia 1733-1743). Colder:Bering's Voyages,Vol.II Amer. Geogr. Soc. Research