Transactions of the Thirty-second and Thirty-third annual Meetings of the Kansas Academy of Science, (1899-1900), Volume XVII, 1901, Box: 3, item: 2. Personal papers of E.H.S. Bailey, PP 158. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/116146 Accessed May 16, 2024.