Report of the Committee on Plans and Improvements on the award of contracts for steel girder bridge under East Park Drive, the completion of the Monkey House at the Zoological Garden, and the construction of river wall along West side of River drive, 1896 March 12, Drawer: 6-5. History Files, FP.2010.001.006. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/405799 Accessed April 20, 2025.