Implementing International Convention for High Seas Fisheries of the North Pacific Ocean : hearing before a subcommittee of the Committee on Interstate and Foreign Commerce, United States Senate, Eighty-third Congress, second session on S. 3713, a bill to give effect to the International Convention for the High Seas fisheries of the North Pacific Ocean, signed at Tokyo, May 9, 1952, and for other purposes, July 12, 1954