Title: Heroes of the Underground Railroad Around Washington, D.C.
Subjects: Subways, Railroads, united states, history, Washington (d.c.), history, Washington (d.c.), description and travel, Underground Railroad, Antislavery movements, Fugitive slaves, Biography, African Americans, Abolitionists, Mouvements antiesclavagistes, Esclaves fugitifs, Biographies, Noirs américains, Abolitionnistes