Wellington Culver with pony "Pixie", thirteen months old, first time ever ridden, April 29, 1906, Box: 106, item: B:1461. William E. Culver photographic collection, RH PH 75. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/510312 Accessed November 22, 2024.