Letter to the Fairmount Park Commission from Alexander Murdoch, Director of the City of Philadelphia Department of Public Works, requesting the Commission's written approval of the enclosed agreement between the City of Philadelphia and the Schuylkill River East Side Railroad Company and the Baltimore and Ohio Railroad Company, 1928 February 17, Drawer: 8.3. History Files, FP.2010.001.006. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/405852 Accessed April 20, 2025.