Columbia subject headings:
Endangered species--Government policy--United States--Handbooks, manuals, etc.
Fishery policy--United States--Handbooks, manuals, etc.
Marine animals--Government policy--United States--Handbooks, manuals, etc.
Harvard subject headings:
Endangered species--Government policy--United States--Handbooks, manuals, etc.
Fishery policy--United States--Handbooks, manuals, etc.
Marine animals--Government policy--United States--Handbooks, manuals, etc.
Princeton subject headings:
Endangered species--Law and legislation--United States.
Fishery law and legislation--United States.
Wildlife conservation--Law and legislation--United States.