Sources:

Drozd, Joseph J. The Battle of Chochiwon. Unpublished manuscript.
—. My Baptism of Fire. Unpublished manuscript.
—. The Naktong River Crossing and Hill #1157. Unpublished manuscript.
United States. Command Reports – 24th Infantry Division, July 1950 – February 1951. Record Group 407: Army-AG Command Reports, 1949–54. National Archives at College Park, MD.