Adoption--Pennsylvania--19th and 20th centuries 1 African Americans--Georgia 1 African Americans--History--Child Welfare--19th and 20th centuries 1 African Americans--History--Negro Education--Late 19th Century 1 Armenia--History 1 Art and Artists--Pennsylvania--Philadelphia--19th century 1 Books and Bookselling--19th Century 1 more ... Centennial Exhibition (1876 : Philadelphia, Pa.) 1 Child Welfare-Philadelphia 1 Church records and registers--Pennsylvania--18th century 1 Church records and registers--Pennsylvania--19th century 1 Church records and registers--Pennsylvania--20th century 1 Department stores 1 Dreer, Ferdinand J. (Ferdinand Julius), 1812-1902 1 Forests and forestry 1 Freemasons--Philadelphia--19th century 1 German Immigrants--18th century 1 Great Exhibition (1851: London, England) 1 Hill, Richard, 1673-1729 1 Indian Rights Association 1 Laurel Hill Cemetary (Philadelphia, Pa.) 1 Library Company of Philadelphia--History 1 Logan, James 1674-1751 1 Medical Publications--19th century 1 Medical Publications--20th century 1 Medical illustration 1 Medical publishing 1 Moore, Samuel Preston, 1710-1785 1 Musical Fund Society of Philadelphia 1 Orphanages--Pennsylvania--19th and 20th centuries 1 Philippines--Annexation to United States 1 Plantation life 1 Publishers and Publishing--Pennsylvania--Philadelphia--19th century 1 Publishers and Publishing--Pennsylvania--Philadelphia--20th century 1 Publishing--Limited Editions 1 Publishing--Periodicals--19th century 1 Publishing--United States--Periodicals--Early 20th Century 1 Quakers--Pennsylvania--Philadelphia--Genealogy 1 Quakers--Pennsylvania--Philadelphia--Social life and customs 1 Real property--Pennsylvania--Philadelphia--History--18th century 1 less ...