The fisheries conventions : hearings before a subcommittee of the Committee on Foreign Relations, United States Senate, Eighty-first Congress, first session, on the ratification by the United States Government of the International convention for the northwest Atlantic fisheries signed at Washington February 8, 1949 (Executive N) Convention with Mexico for the establishment of an International Commission for the Scientific Investigation of Tuna, signed at Mexico City, January 25, 1949 (Executive K) Convention for the establishment of an Inter-American Tuna Commission, signed at Washington, May 31, 1949 (Executive P) July 14, 1949