Application of City of Philadelphia for approval of the construction of a crossing where a pedestrian footbridge, constructed as proposed at 66th Street between Upland Street and Kingsessing Avenue, will cross above the grade of the tracks of the Baltimore and Ohio Railroad Company, 1958 June 3. History Files, FP.2010.001.006. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/405868 Accessed April 20, 2025.