Jack Johnson, Taking the Count from Jess Willard, Havanna [Havana], Cuba, April 5, 1915, Box: 1, Folder: D:10. Collection of photographs and postcards of race relations in Kansas and Oklahoma, RH PH 184. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/467973 Accessed November 27, 2024.