Atlas Map of Morgan County, Illinois by Andreas, Lyter and Co, bound with Plat Map of Morgan County, Illinois by The American Atlas Company, 1872, 1894, Box: 1, item: 6. Keplinger family papers, RH MS 737. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/26874 Accessed November 30, 2024.