7. LCP edits for HMP [320 jpeg images including drawings for Ridgway Library and Great Sanitary Fair 1964 by Adam Levine], 2008 October 28, Drawer: 2-1, Box: 3, Disk: 7. Compact Disk Collection, FP.2016.005. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/1381 Accessed April 20, 2025.