Title: 100-letie Kamchatskoĭ ekspedit︠s︡ii Russkogo geograficheskogo obshchestva, 1908-1910 gg
Subjects: Discovery and exploration, Congresses, Kamchatskai︠a︡ ėkspedit︠s︡ii︠a︡ F.P. Ri︠a︡bushinskogo (1908-1910), Geology