Historic Buildings--Pennsylvania--Philadelphia 6 Demolished Buildings--Pennsylvania--Philadelphia--20th century 2 Historic buildings--Pennsylvania--Philadelphia 2 American Revolution Bicentennial, 1776-1976--Pennsylvania--Philadelphia 1 Architectural elements--Pennsylvania--Philadelphia 1 Architecture--Philadelphia--19th century 1 Architecture--Philadelphia--20th Century 1 more ... Built environment--Pennsylvania--Philadelphia--20th century 1 Burial 1 Burial records 1 Cemeteries--Landscape architecture 1 Cemeteries--United States 1 Cemeteries–-Pennsylvania 1 Centennial Exhibition (1876 : Philadelphia, Pa.) 1 Churches--Pennsylvania--Philadelphia 1 Constitutional Bicentennial 1 Financial statements--Auditing 1 Franklin, Benjamin 1 Friends' Home for Children--Philadelphia 1 Genealogy 1 Greater Philadelphia--images 1 Historic preservation 1 Historiography 1 Independence Hall (Philadelphia, Pa.) 1 Iron industry and trade--India 1 Iron industry and trade--United States--History 1 Lantern Slides 1 Lectures and lecturing--Pennsylvania--Philadelphia 1 Library buildings--Pennsylvania--Philadelphia 1 Library catalogs--Pennsylvania--Philadelphia 1 Orphanages--20th Century 1 Parades and Processions--20th century 1 Philadelphia Views--19th century 1 Philadelphia Views--20th century 1 Philadelphia--Streets--Market St 1 Photographs on glass 1 Photographs--Street scenes 1 Photography--Philadelphia street scenes--20th century 1 School Buildings--Pennsylvania--Philadelphia 1 Selling cemetery lots –- 20th century 1 less ...