Subpoena from Washington County, Kansas, for F.W. Mason, Charles H. Erien, Henry Recoy, and Johnithan Pepple, May 16, 1892, Folder: 1, item: 2. Papers of Fred Mason, RH MS P420. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/47143 Accessed May 23, 2024.