Columbia subject headings:
Alaska--History--To 1867--Congresses.
Rossiĭsko-amerikanskai︠a︡ kompanii︠a︡--History--Congresses.
Russia--Colonies--North America--Congresses.
Russian Far East (Russia)--Discovery and exploration--Congresses.
Harvard subject headings:
Alaska--History--To 1867--Congresses.
Rossiĭsko-amerikanskai︠a︡ kompanii︠a︡--History--Congresses.
Russia--Colonies--North America--Congresses.
Russian Far East (Russia)--Discovery and exploration--Congresses.
Princeton subject headings: