BA-208 Bvt. Brig. Gen. J. Martin portrait (late Colonel 8th Kansas infantry) portrait, Box: 1, Folder: 18. Mathew Brady photographs from the National Archives, RH PH 58. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/407410 Accessed January 02, 2025.