Photograph of a view of the battleground, 1888, photograph slides of the Black Jack Battleground markers, 2002-2003, Box: 1, Folder: 8. Application to the National Register of Historic Places, RH MS 1275. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/187935 Accessed May 18, 2024.