Commission on communications : hearings before the Committee on In Interstate Commerce, U.S. Senate, 71st Cong., 1-2 sess., on S.6, a bill to provide for the regulation of the transmission of intelligence by wire or wireless
16 parts in 4 volumes ; 23 cm
19443810
Paged continuously
James Couzens, chairman
Hearings held May 8, 1929 - Feb. 26, 1930