Vernon Park: Vernon Park. Plan for laying out the walks in Vernon Park, 22nd ward. Department of Public Works, Bureau of Surveys. Signed by John C. Lewis, City Forester and Landscape Gardener, Bureau of City Property. [ID: 12B-577; PWD ERV: 1075964; Drawing No.: 6992], 1896 September, Drawer: N10, Folder: 5.1. Philadelphia Water Department 12B - Drawings Donation, FP.2019.002. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/4880 Accessed April 20, 2025.