Plan of properties in the twenty-first ward appropriated for an extension to Fairmount Park authorized by ordinance of councils approved December 17, 1919, prepared for the use of the Board of Viewers (in two pieces). [1 sheet], 1920 October, Drawer: W13 and W14, Folder: 3. Wissahickon Valley Park Maps, Plans and Drawings, FP.2011.006. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/49525 Accessed April 20, 2025.