Letter to the Fairmount Park Commission from Joseph Singerly, Secretary of the Germantown Passenger Railway Company, requesting permission to lay another track to the Reading Railroad Bridge due to the insecurity of the Girard Avenue Bridge, 1873 April 10, Drawer: 6-5. History Files, FP.2010.001.006. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/405804 Accessed April 20, 2025.