Playbills Academy of Music (Philadelphia, Pa.) 1 Music--Programs and Playbills 1 Performing Arts--Philadelphia--19th century 1 Performing arts--Philadelphia--20th century 1 Playbills--Pennsylvania--Philadelphia 1 Theater 1 more ... Theater--19th century 1 Theater--History--19th century 1 Theater--Pennsylvania--Philadelphia 1 Theater--Pennsylvania--Philadelphia--History--20th century 1 Theaters 1 Theaters--Playbills and Programs--19th century 1 Theaters--United States--History--19th century 1 Theaters--United States--History--20th century 1 less ...