United States Travel Service authorization for fiscal year 1980 : hearing before the Subcommittee on Transportation and Commerce of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-sixth Congress, first session, on H.R. 2795 ... S. 233 ... March 15, 1979.
United States.Congress.House.Committee on Interstate and Foreign Commerce.Subcommittee on Transportation and Commerce.
Washington : U.S. Govt. Print. Off.,
1979.
"Serial no. 96-21."
United States Travel Service