Letter from the Fairmount Park Commission to John Braun, Special Agent of the Philadelphia Rapid Transit Company, regarding the proposed relocation of the trolley system from the south drive of the Parkway between 23rd Street and the Crescent to the south side of the sidewalk; enclosed with proposed ordinance , 1936 October 15, Drawer: 8.3. History Files, FP.2010.001.006. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/405877 Accessed April 20, 2025.