Fairmount Park, Parks: A Century of Music Under the Stars: a History of the Mann Center for the Performing Arts and Robin Hood Dell by Jack McCarthy, 2025, Shelf: 8. Books and Bound Manuscripts, FP.2016.004. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/406217 Accessed February 10, 2026.