Bureau of Civil Air Navigation in the Department of Commerce: Hearings Before the Committee on Interstate and Foreign Commerce, House of Representatives, Sixty-eighth Congress, Second Session, on H.R. 1522; a Bill to Create a Bureau of Civil Air Navigation in the Department of Commerce, to Encourage and Regulate the Navigation of Civil Aircraft, and for Other Purposes. December 17, 18, and 19, 1924
United States. Congress. House. Committee on Interstate and Foreign Commerce
Jan 1924 · U.S. Government Printing Office