Columbia subject headings:
Fishery law and legislation--Peru--Congresses.
Fishery law and legislation--Soviet Union--Congresses.
Harvard subject headings:
Fishery law and legislation--Peru--Congresses.
Fishery law and legislation--Soviet Union--Congresses.
Princeton subject headings:
Fishery law and legislation--Peru.
Fishery law and legislation--Soviet Union.
Peru--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Peru.