Columbia subject headings:
Marine engineering--Congresses.
Marine resources conservation--Law and legislation--Congresses.
Marine sciences--Congresses.
Maritime law--Congresses.
Oceanography--Research--Law and legislation--Congresses.
Harvard subject headings:
Marine engineering--Congresses
Marine resources conservation--Law and legislation--Congresses.
Marine sciences--Congresses.
Maritime law--Congresses.
Oceanography--Research--Law and legislation--Congresses.
Princeton subject headings:
Facsimiles.
Marine engineering--Congresses.
Marine resources conservation--Law and legislation--Congresses.
Marine sciences--Congresses.
Maritime law--Congresses.
Oceanography--Research--Law and legislation--Congresses.