Architectural elements--Pennsylvania--Philadelphia 3 Architectural elements 2 American Revolution Bicentennial, 1776-1976--Pennsylvania--Philadelphia 1 Architectural decorations & ornaments 1 Artisans--Plaster Carver--19th century 1 Constitutional Bicentennial 1 Demolished Buildings--Pennsylvania--Philadelphia--20th century 1 more ... Doors & doorways 1 Doors and doorways--Philadelphia 1 Dwellings 1 Fences 1 Fences, iron--Philadelphia 1 Furnaces 1 Homes & haunts 1 Ironwork 1 Ironwork--Philadelphia 1 Machinery 1 Mines 1 Parades and Processions--20th century 1 Photographs--Street scenes 1 Photography--Philadelphia street scenes--20th century 1 Potts, Joseph D., 1 Potts, William McCleery, 1 Schools 1 less ...