Wissahickon Valley Park: Ordinance - no. 187 supplementing an ordinance to authorize the acceptance of an offer made by the Girard Trust Company et al., to convey to the City of Philadelphia land contained within the boundaries of an extension of Fairmount Park in the 22nd Ward, 1920 January 3, Shelf: 34, Box: 37. History Files, FP.2010.001.006. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/405278 Accessed September 28, 2025.