Columbia subject headings:
Fisheries--Periodicals.
Marine biology--Periodicals.
Shellfish fisheries--Periodicals.
Harvard subject headings:
Fisheries--Periodicals
Marine biology--Periodicals
Shellfish fisheries--Periodicals.
Princeton subject headings:
Fisheries--United States--Periodicals.
Marine biology--Periodicals.
Periodicals.
Shellfish fisheries--Periodicals.