Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL United States. Congress. House. Committee on Public Works. Subcommittee on Roads,"National highway program, Federal aid highway act of 1956 : Hearings before the Subcommittee on Roads of the Committee on Public Works, House of Representatives, Eighty-fourth Congress, second session, on H.R. 8836 to amend and supplement the federal aid road act approved July 11, 1916 (39 stat. 355), as amended and supplemented, to authorize appropriations for continuing the construction of highways, and for other purposes",,MLibrary : prepared for publishing by HP,1956,Reprints from the collection of the University of Michigan Library,,,,https://cir.nii.ac.jp/crid/1130282272878349952