Authorization for U.S. Travel Service : hearing before the Subcommittee on Transportation and Commerce, House of Representatives, Ninety-fifth Congress, second session, on H.R. 11869 and H.R. 11870 ... April 4, 1978.
United States.Congress.House.Committee on Interstate and Foreign Commerce.Subcommittee on Transportation and Commerce.
Washington : U.S. Govt. Print. Off.,
1978.
"Serial no. 95-123."
United States Travel Service