Genealogy 5 Spouses--Correspondence--19th century 5 Family life--Pennsylvania--20th century 4 Philadelphia (Pa.)--Politics and government--20th century 4 Spouses--Correspondence-–20th century 4 Books and Bookselling--19th Century 3 Pennsylvania--History 3 more ... Philadelphia (Pa.)--City government--20th century 3 Philadelphia (Pa.)--Officials and employees 3 Philadelphia (Pa.)--Social conditions--20th century 3 Slavery--United States--History 3 Affirmative action programs--Government policy--United States--History--20th century 2 Booksellers and bookselling -- Pennsylvania -- Philadelphia 2 Centennial Exhibition (1876 : Philadelphia, Pa.) 2 Economics--19th century 2 Engineering--Pennsylvania--Philadelphia 2 Family life--Pennsylvania--Philadelphia 2 Family life--Personal correspondence--20th century 2 Gettysburg, Battle of, Gettysburg, Pa., 1863 2 History 2 Insurance companies--United States 2 Musical Fund Society of Philadelphia 2 Names, Geographical 2 Pennsylvania--History--1775-1865 2 Pennsylvania--History--Colonial period, ca. 1600-1775 2 Pennsylvania--Politics and government--20th century 2 Philadelphia (Pa.)--City planning 2 Philadelphia (Pa.)--History--20th century 2 Publishers and Publishing--Pennsylvania--Philadelphia--19th century 2 Publishers and publishing 2 Publishing 2 Publishing--19th century 2 Quakers 2 Railroad--Construction 2 Railroads--Management 2 Real estate business--Pennsylvania 2 Selling--Books 2 Sioux nation 2 Slavery 2 Slavery--Law and legislation--United States--History 2 less ...