"Toronto, 1971" [removed from box 21], "Worlds of Fun [removed from box 21], "Outhouses" ("A Study in Architecture") [removed from slide tray], Box: 2, Box: 20. Papers of Margaret Broeker Sanders, RH MS 1195. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/183530 Accessed May 18, 2024.