The Bureau of Public Roads and Its Exhibit

Auteur : A. J. Brosseau, Arthur Edwin Kennelly, Arthur Horace Blanchard, Cyrus Kehr, E.I. du Pont de Nemours Powder Company, Roy D. Chapin, Thomas Harris MacDonald, United States. Bureau of Public Roads, United States. Department of Agriculture, Henry G. Shirley, George William Tillson

Date de publication : 1921

Éditeur : U.S. Government Printing Office

Nombre de pages : 7