Superliner legislation. Hearings before the Committee on Merchant Marine and Fisheries, House of Representatives, Eighty-fifth Congress, second session, on H. R. 9342, to authorize the construction and sale by the Federal Maritime Board of a superliner passenger vessel equivalent to the steamship United States, identical and similar bills, H. R. 9432, to authorize the construction and sale by the Federal Maritime Board of a passenger vessel for operation in the Pacific Ocean, and identical bills, February 4, 5, 6, 7, 10, 11, March 12 and 13, 1958