Changes in the administration of the Panama Canal Company. Hearings before the subcommittee on Panama Canal of the committee on Merchant Marine and Fisheries House of Representatives, first session, on H. R. 6917, H. R. 7645, and H. R. 7697, a bill to provide that certain expenses of the Panama Canal Company and the canal zone government shall be paid from tolls, and for other purposes [also] H. R. 7564, H. R. 7239, H. R. 7305, H. R. 7393, and H. R. 7558, a bill to make certain changes in the administration of the Panama Canal Company, and for other purposes, December 5, 6, and 8, 1955 PDF Download