Columbia subject headings:
Canada--Economic conditions--19th century.
Canada--Economic conditions--To 1763.
Canada--Foreign economic relations--Europe.
Canada--Foreign economic relations--United States.
Europe--Foreign economic relations--Canada.
United States--Foreign economic relations--Canada.
Harvard subject headings:
Canada--Economic conditions--19th century.
Canada--Economic conditions--To 1763.
Canada--Foreign economic relations--Europe.
Canada--Foreign economic relations--United States.
Europe--Foreign economic relations--Canada.
United States--Foreign economic relations--Canada.
Princeton subject headings:
Canada--Economic conditions--To 1763.
Canada--Foreign economic relations--Europe.
Canada--Foreign economic relations--United States.
Europe--Foreign economic relations--Canada.
United States--Foreign economic relations--Canada.