Railroads 16 Early works to 1850 3 Design and construction 2 Family life--Personal correspondence--20th century 2 Finance 2 Histoire 2 Histoire locale 2 more ... History 2 History, Local 2 Railroad companies 2 Slavery--United States--History 2 Spouses--Correspondence--19th century 2 United States. Army of the Potomac 2 United States. Army. Corps of Engineers--History--19th century 2 Accounts--18th century 1 Accounts--19th century 1 African American Methodists 1 African American actresses 1 African American authors--20th century 1 African American churches 1 African American soldiers--History--19th century 1 African American universities and colleges 1 African American women authors 1 African Americans--Georgia 1 African Union Methodist Protestant Church (U.S.)--History--19th century 1 Atlanta Campaign, 1864--Personal narratives 1 Banks and banking--Pennsylvania 1 Banks and banking--Pennsylvania--Philadelphia 1 Banks and banking--Pennsylvania--Philadelphia--History 1 Banks and banking--Pennsylvania--Philadelphia--History--18th century 1 Banks and banking--Pennsylvania--Philadelphia--History--19th century 1 Burial 1 Burial records 1 Business--History--Pennsylvania--Philadelphia--18th century 1 Business--History--Pennsylvania--Philadelphia--19th century 1 Canals 1 Canals and railroads--19th century 1 Cemeteries--Landscape architecture 1 Cemeteries--United States 1 Cemeteries–-Pennsylvania 1 less ...