History 5 Books and Bookselling--19th Century 4 Artists--Correspondence 3 Pennsylvania--History 3 Publishers and Publishing--Pennsylvania--Philadelphia--19th century 3 Spouses--Correspondence--19th century 3 United States--History--Revolution, 1775-1783 3 more ... World War, 1914-1918 3 Affirmative action programs--Government policy--United States--History--20th century 2 Art and Artists--Pennsylvania--Philadelphia--19th Century 2 Booksellers and bookselling -- Pennsylvania -- Philadelphia 2 Centennial Exhibition (1876 : Philadelphia, Pa.) 2 Clubs and Associations--20th Century 2 Clubs and Associations--Pennsylvania--Philadelphia 2 Clubs and Associations--Philadelphia--20th century 2 Diplomatic relations 2 Economics--19th century 2 Family life--Pennsylvania--20th century 2 Foreign relations 2 Histoire 2 Insurance companies--United States 2 Medical Publications--19th century 2 Medical Publications--20th century 2 Museums--Pennsylvania--Philadelphia--20th century 2 Neutrality 2 Pennsylvania--History--Colonial period, ca. 1600-1775 2 Pennsylvania--Politics and government--20th century 2 Philadelphia (Pa.)--Politics and government--20th century 2 Psychiatry 2 Publishers and publishing 2 Publishing 2 Publishing--19th century 2 Publishing--United States--Periodicals--Early 20th Century 2 Puerto Rican Week Festival (Philadelphia, Pa.) 2 Real estate--Transactions 2 Selling--Books 2 Shipping--Pennsylvania--Philadelphia--19th Century 2 Slavery 2 Theater--Pennsylvania--Philadelphia 2 United States. Army of the Potomac 2 less ...