Columbia subject headings:
Bolz, J. Arnold.
Canoes and canoeing--Minnesota.
Canoes and canoeing--Ontario.
Canots et canotage--Ont. et Minn--Quetico-Superior Region.
Quetico-Superior Country (Ont. and Minn.)
Quetico-Superior, Ont. et Minn. (Région)--Description and travel.
Quetico-Superior, Ont. et Minn. (Région)--History.
Harvard subject headings:
Canoes and canoeing--Minnesota.
Canoes and canoeing--Ontario.
Quetico-Superior Area (Ont.-Minn.)
Quetico-Superior Country (Ont. and Minn.)
Princeton subject headings:
Canoes and canoeing--Minnesota.
Canoes and canoeing--Ontario.
Quetico-Superior Area (Ont.-Minn.)