Columbia subject headings:
Kamchatskai︠a︡ ėkspedit︠s︡ii︠a︡ (2nd : 1733-1741)--Sources.
Metallurgical plants--Russia (Federation)--Siberia--History--Sources.
Siberia (Russia)--Economic conditions--Sources.
Harvard subject headings:
Kamchatskai︠a︡ ėkspedit︠s︡ii︠a︡ (2nd : 1733-1744)--History--Sources.
Metallurgical plants--Russia (Federation)--Russian Far East--History--Sources.
Russian Far East (Russia)--Economic conditions--Sources.
Russian Far East (Russia)--History--Sources.
Princeton subject headings: