Columbia subject headings:
Alaska--History--To 1867.
Aleuts--Missions.
Missions--Alaska--Aleutian Islands.
Russians--Alaska.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Missions.
Voyages around the world.
Harvard subject headings:
Alaska--Description and travel
Alaska--History--To 1867
Gideon, Hieromonk, 1770?-1843--Journeys--Alaska.
Gideon, Hieromonk, 1770?-1843--Travel--Alaska.
Kodiak Island (Alaska)--Description and travel.
Russians--Alaska--History--19th century.
Voyages around the world--History--19th century
Princeton subject headings:
Alaska--History--To 1867.
Aleuts--Missions.
Missions--Alaska--Aleutian Islands.
Russians--Alaska.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Missions.
Voyages around the world.