The Communications Act of 1979: Hearings before the Subcommittee on Communications of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-sixth Congress, first session, on H.R. 3333. April 24, 25, 26; May 1, 2, 3, 4, 8, 14, 15, 16, 17, 22, 23, 24; June 5, 6, 7, 12, 13, 20, 26, 27, and 28, 1979, Volume 4