Picnic at Mission Lake; Dr. and Mrs. W.O. Nelson and baby Jimmy; Edith with Jimmy, June 20, 1943, Box: 55, Folder: F:866. Bourquin family collection, RH MS G61. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/479059 Accessed June 17, 2024.