Columbia subject headings:
Arctic regions--Discovery and exploration.
Dease, Peter Warren--Travel--Arctic Coast (Canada)
Hudson's Bay Company--History--Sources.
Harvard subject headings:
Arctic regions--Discovery and exploration.
Dease, Peter Warren--Travel--Arctic Coast (Canada)
Dease, Peter--Diaries.
Dease, Peter--Journeys--Arctic regions.
Hudson's Bay Company--Employees.
Hudson's Bay Company--History--Sources.
Simpson, Thomas, 1808-1840--Journeys--Arctic regions.
Princeton subject headings:
Arctic regions--Discovery and exploration.
Dease, Peter Warren--Travel--Arctic coast (Canada).
Hudson's Bay Company--History--Sources.