O-1 History, 321st Engineer Battalion, 96th Infantry Division, August 15, 1942- December 1944; pgs 408- 490
O-1 Pictorial History, 321st Engineer Battalion, 96th Infantry Division, October 20- December 26, 1944; pgs 491- 538
O-1 History, 321st Engineer Battalion, 96th Infantry Division, 1945; pgs 539- 602
O-3 Action Against Enemy Reports, 321st Engineer Battalion, 96th Infantry Division, King II Operation (Leyte), October 20- December 25, 1944; pgs 603- 622
S-3 Action Against Enemy Reports Operations Journal, 321st Engineer Battalion, 96th Infantry Division, King II Operation (Leyte), October 20- December 25, 1944; pgs 623- 693
S-3 Action Against Enemy Reports Periodic Report, 321st Engineer Battalion, 96th Infantry Division, King II Operation, October 20- December 25, 1944; pgs 694- 782
O-3 Action Against Enemy Reports, 321st Engineer Battalion, 96th Infantry Division, King II Operation (Leyte), December 26, 1944- February 10, 1945; pgs 783- 797