Smedley, R. C. 1832-1883. History of the underground railroad. [electronic resource] . — New York, : Arno Press,, 1969.. — 407 p. : illus., ports. 22 cm. - The American Negro, his history and literature. Reprint of the 1883 ed. LCCN: 69018542 Subjects--Topical Terms: Underground Railroad--Pennsylvania. Subjects--Geographic Terms: Chester County (Pa.)--Biography. LC Class. No.: E450 / .S63 1969 Dewey Class. No.: 973.71/15