33. Glen Foerd: Master plans and studies as of August 2014 [13 pdf fils including conditions assessments, strategic overview, needs assessments and John Milner – Cons Study 1989], 2014 August 7, Drawer: 2-1, Box: 4, Disk: 33. Compact Disk Collection, FP.2016.005. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/1467 Accessed April 20, 2025.