Superliner passenger vessels. : Hearings before the Merchant Marine and Fisheries Subcommittee of the Committee on Interstate and Foreign Commerce, 85th Congress, 2nd session on S. 3519 and H.R. 11451, to authorize the construction and sale by the Federal Maritime Board of a superliner passenger vessel equivalent to the steamship "United States," and a superliner passenger vessel for operation in the Pacific Ocean, and for other purposes. May 13, 1958.