Foreign seizures of U.S. fishing vessels : hearing before the Subcommittee on Fisheries and Wildlife Conservation of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninetieth Congress, first session on a bill to amend the Act of August 27, 1954, relating to the seizure of vessels of the United States by foreign countries : H.R. 4346, H.R. 4350, bills to amend the Act of August 27, 1954, relative to the unlawful seizing of fishing vessels of the United States by foreign countries : H.R. 5148, H.R. 6785, bills to amend the Act of August 27, 1954, relating to the protection of vessels of the United States on the high seas and in territorial waters of foreign countries, June 22, 1967.