Underground Railroad 10 History 8 African Americans 7 Antislavery movements 6 Fugitive slaves 6 Abolitionists 5 Physicians 5 more ... Slavery 5 Still-life painting, American 5 Still-life painting 4 African American abolitionists 3 Esclaves fugitifs 3 Histoire 3 Mouvements antiesclavagistes 3 Abolitionnistes 2 African American physicians 2 Afro-American physicians 2 Artists 2 Catalogs 2 Esclavage 2 Exhibitions 2 Painting, American 2 Romanticism, American, 2 Stills 2 Abolitionnistes noirs américains 1 Acrylic painting 1 African American Presbyterians--Pennsylvania--Philadelphia 1 African American baseball players--History 1 African American churches 1 African American civic leaders--Pennsylvania--Philadelphia 1 African American educators 1 African American families 1 African American families -- Pennsylvania -- Philadelphia 1 African American women artists 1 African Americans--History--Societies--19th century 1 African Americans--Pennsylvania--Philadelphia 1 African Americans--Pennsylvania--Philadelphia--Societies, etc 1 African Americans--Social Life and Customs--19th century 1 Alcoholic beverages 1 Ambulances 1 less ...