Gubbels, Jac L. American highways and roadsides / Jac L. Gubbels. - Boston : Houghton Mifflin company, c 1938. - xv, 94 p. : ill. ; 21 cm. includes index. 342 342 Subjects--Topical Terms: Engineering of railroads, roads--America. Dewey Class. No.: 625.79 / G933a