Photography--19th century 10 Architects--Philadelphia--19th century 1 Architecture--19th century 1 Architecture--Residential--19th century 1 Art and Artists--Pennsylvania--Philadelphia--19th Century 1 Centennial Exhibition (1876 : Philadelphia, Pa.) 1 Fairmount Park--Philadelphia, Pa.--19th century 1 more ... Germantown (Philadelphia, Pa.)--19th Century 1 International Exposition 1 Philadelphia (Pa.)--Businessmen--19th Century 1 Philadelphia Views--19th century 1 Photographs 1 Photography, supplies--19th century 1 Photography--Still Lifes--19th century 1 Portraits--American--19th Century 1 Roberts Family 1 South Carolina--Beaufort--Buildings, structures, etc 1 United States--History--Civil War, 1861-1865--Destruction and Pillage 1 United States--History--Civil War, 1861-1865--Relief Organizations 1 Valley Forge--Photographs 1 Willow Grove Park (Pa.) 1 less ...