"William Clarke Quantrill and the Civil War Raid on Lawrence, Kansas, August 21, 1863: An Eyewitness Account by Reverend Richard Cordley", June 1999, Box: 10, Folder: 19. Richard B. Sheridan papers, RH MS 1468. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/548937 Accessed November 23, 2024.