Caption text says "This University of Iowa athlete established a new world's record of :23 4-10 for the 220 yard low hurdles in the dual meet with Northwestern at Iowa City Saturday. It bettered the former mark of :23 3-5 made by A. Kraeenzlein of Pennsylvania in 1898 and tied in 1913 by Wendell of Harvard"
Chicago Tribune
<a rel="nofollow" class="external free" href="https://www.newspapers.com/article/chicago-tribune-record-smasher-charles/124199613/">https://www.newspapers.com/article/chicago-tribune-record-smasher-charles/124199613/</a> , Chicago Tribune, May 7, 1923, pg. 18