Columbia subject headings:
Harvard subject headings:
Birds--Conservation--Canada--Congresses.
Birds--Conservation--Canada.
Fisheries--Canada
Fishery management--Canada--Congresses.
Fishes--Conservation--Canada--Congresses.
Game protection--Canada--Congresses.
Game protection--Canada.
Wildlife conservation--Canada--Congresses.
Zoology--Canada--Congresses.
Zoology--Canada.
Princeton subject headings:
Birds--Conservation--Canada.
Fisheries--Canada.
Game protection--Canada.
Zoology--Canada.