#1507-1507A Copies: Ashwill slides (1951-1071): Ashwills, JD Sorensons, Ray Sorenson, RSS, 1979-10-07-1979-10-10, Box: 14, Folder: 6. Rexford Scott Sorenson negatives collection, RH PH 537. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/391345 Accessed May 16, 2024.