Broadside advertising "Purchasing and Collecting Office of A.B. Havens," Leavenworth, Kansas, 1862, Box: 1, Folder: 5. Papers of Arthur B. Havens, RH MS 49. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/18858 Accessed May 19, 2024.