Ortiz, Simon. From the Sand Creek. New York: Thunder’s Mouth Press, 1981

Ortiz, Simon. From the Sand Creek. New York: Thunder’s Mouth Press, 1981, Box: 2, Volume: 27. Midwest Distributors records, RH MS 949. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/573956 Accessed March 09, 2026.