Hearings Before the Subcommittee on Panama Canal of the Committee on Merchant Marine and Fisheries, House of Representatives, Eighty-eighth Congress, on Archaeological Exploration in the Canal Zone, H.R. 8362, January 16, 1964, Canal Zone Code Corrections and Improvements, H.R. 8865, January 16, 1964, Canal Zone Prisoner Transfer to Attorney General's Custody, H.R. 9122, January 16, 1964