Business History--19th Century--Philadelphia 8 Medical History--19th Century 6 Commerce--Philadelphia--19th century 4 Fashion History--19th Century 3 Genealogy 3 Jewish-American History--19th century 3 Maritime History--19th century 3 more ... Philadelphia (Pa.)--Commerce--History--19th century 3 Sheet music--United States--History--19th century 3 Theater--History--19th century 3 Theaters--Playbills and Programs--19th century 3 Theaters--United States--History--19th century 3 Theaters--United States--History--20th century 3 Academy of Music (Philadelphia, Pa.) 2 Accounts--19th century 2 African American churches 2 Chester County (Pa.)--History--19th century 2 Commerce--Philadelphia--18th century 2 Ephemera 2 Historians--19th century 2 Historians--Research Material 2 History and Historians--19th century 2 Jewish-American History--18th century 2 Law--History--19th century 2 Maritime History--18th century 2 Menus 2 Music--Manuscripts--19th century 2 New York City--History--19th century 2 Pennsylvania--Economic conditions--19th century 2 Philadelphia (Pa.)--Commerce--History--18th century 2 Playbills 2 Presbyterians--Pennsylvania--History--19th century 2 Spouses--Correspondence--19th century 2 United States Army--History--19th century 2 United States. Army of the Potomac 2 United States. Army. Corps of Engineers--History--19th century 2 Women's History--19th century 2 Accounts--18th century 1 Actors and actresses 1 Adolescence--19th Century 1 less ...