Radon - brochures, handouts, article, test results [oversize removed to RH MS R359 Folder 8], 1993, Box: 7, Folder: 52. John and Frances Peterson collection, RH MS 1330. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/195403 Accessed November 23, 2024.