Letter from James V. Rooney to the Fairmount Park Commission offering the Fairmount Park archives a due bill made by one of the descendants of William Penn with that caveat that he would rather give it to the Park than sell it to John Wanamaker, 1887 March 30, Drawer: 5-5. History Files, FP.2010.001.006. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/405735 Accessed April 20, 2025.