Lardner, Dionysius, 1793-1859. Railway economy : a treatise on the new art of transport, its man agement, propects, and relations / by Dionysius Lardner. - London : Taylor, Waston and Maberly, 1850. - xxiii, 528 p. : ill. ; 19 cm. Subjects--Topical Terms: Railroads.-------- Dewey Class. No.: 385.1 LAR