Columbia subject headings:
Fisheries--Canada--Congresses.
Fisheries--Licenses--Canada--Congresses.
Fisheries--Licenses--United States--Congresses.
Fisheries--United States--Congresses.
Salmon fisheries--Law and legislation--Canada--Congresses.
Salmon fisheries--Law and legislation--United States--Congresses.
Harvard subject headings:
Fisheries--Licenses--Canada--Congresses.
Fisheries--Licenses--United States--Congresses.
Salmon fisheries--Law and legislation--Canada--Congresses.
Salmon fisheries--Law and legislation--United States--Congresses.
Princeton subject headings: