books.google.com - The Walnut Street Theatre, located at the corner of Ninth and Walnut Streets, is Americaas oldest theater, a national historic landmark, and the state theater of Pennsylvania. Since its opening in 1809, world-famous stars, such as Henry Fonda, Katharine Hepburn, and Marlon Brando, have performed on its...http://books.google.com/books/about/Walnut_Street_Theatre.html?id=QWvV5lmU3E0C&utm_source=gb-gplus-shareWalnut Street Theatre