Columbia subject headings:
Competition, Unfair--Canada.
Competition, Unfair--United States.
Lumber trade--Government policy--Canada.
Lumber trade--Government policy--United States.
Softwood industry--Canada.
Softwood industry--United States.
Harvard subject headings:
Princeton subject headings:
Canada--Commerce--United States.
Canada--Commercial policy.
Softwood industry--Canada.
Softwood industry--United States.
United States--Commerce--Canada.
United States--Commercial policy.