With U. Whiffen on hike down Mission Creek to Walnut Creek; Jack Bernett on cistern cover, April 9, 1916, Box: 19, Folder: F:490. Bourquin family collection, RH MS G61. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/474554 Accessed June 26, 2024.