- Third U. S. Army After Action Report, Volume I, Chapter 12 - May Operations Page 383, 384
- Spearhead of Patton's Third Army, Chapter 15, Page 422, 23rd April to 30th April 1945
- Spearhead of Patton's Third Army, Chapter 16, Page 436, 9 April to May 1945
- 244th Field Artillery Battalion After Action Report, 1st May to 31st May
- 244th Field Artillery Battalion After Action Report, 1st May to 31st May
- 244th Field Artillery Battalion Journal
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion A Battery Morning Report
- 244th Field Artillery Battalion B Battery Morning Report
- 244th Field Artillery Battalion C Battery Morning Report
- 244th Field Artillery Battalion Service Battery Morning Report
- Third U. S. Army After Action Report, Volume I, Chapter 12 - May Operations Page 384
- 244th Field Artillery Battalion Journal
- W. U. (Doc) Savage Letter, December 15, 1949
- PFC Harry G. MacDuffee, B Battery, 244th Field Artillery - Battery Record
- 244th Field Artillery Battalion After Action Report May 1945
- W. U. (Doc) Savage Letter, December 15, 1949
- Hq Battery, Frederick (Fred) Priewert, 2nd Lt., Journal
- 244th Field Artillery Battalion, HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion B Battery Morning Report
- 244th Field Artillery Battalion C Battery Morning Report
- 244th Field Artillery Battalion, Service Battery Morning Report
- Third U. S. Army After Action Report, Volume I, Operations, Chapter 12 - May Operations Page 385
- 244th Field Artillery Battalion Journal
- 244th Field Artillery Battalion After Action Report, 1st May to 31st May
- PFC Harry G. MacDuffee, B Battery, 244th Field Artillery - Battery Record
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion A Battery Morning Report
- 244th Field Artillery Battalion Service Battery Morning Report
- Third U. S. Army After Action Report, Volume I, Chapter 12 - May Operations Page 386
- 244th Field Artillery Battalion Journal
- 244th Field Artillery Battalion After Action Report, 1st May to 31st May
- W. U. (Doc) Savage Letter, December 15, 1949
- U. S. Army Heritage and Education Center, U.S. Army Military History Institute 202-244th 1945, “History of The 244th Field Artillery Battalion During World War II, Page 5
- 244th Field Artillery Battalion After Action Report 1945
- 244th Field Artillery Battalion After Action Report 1945
- Hq Battery, Frederick (Fred) Priewert, 2nd Lt., Journal
- Serving In Harm's Way, A Record of My Service In The U.S. Army and WWII, Byron G. Rogers jr., January 2006
- PFC Harry G. MacDuffee, B Battery, 244th Field Artillery - Battery Record
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion, Battery A Morning Report
- 244th Field Artillery Battalion B Battery Morning Report
- 244th Field Artillery Battalion C Battery Morning Report
- 244th Field Artillery Battalion Service Battery Morning Report
- Third U. S. Army After Action Report, Volume I, Chapter 12 - May Operations Page 388
- 244th Field Artillery Battalion Journal
- 244th Field Artillery Battalion After Action Report,1st May to 31st May
- PFC Harry G. MacDuffee, B Battery, 244th Field Artillery - Battery Record
- 244th Field Artillery Battalion A Battery Morning Report
- 244th Field Artillery Battalion B Battery Morning Report
- 244th Field Artillery Battalion, Battery C Morning Report
- 244th Field Artillery Battalion Service Battery Morning Report
- Third U. S. Army After Action Report, Volume I, Operations, Chapter 12 - May Operations Page 388, 389, 390
- 244th Field Artillery Battalion Journal
- 244th Field Artillery Battalion After Action Report, 1st May to 31st May
- W. U. (Doc) Savage Letter, December 15, 1949
- Department of The Army, USH&EC, USAMHI, 202-244th 1945, “History of The 244th Field Artillery Battalion During World War II
- 244th Field Artillery Battalion After Action Report, 1st May to 31st May
- W. U. (Doc) Savage Letter, December 15, 1949
- PFC Harry G. MacDuffee, B Battery, 244th Field Artillery - Battery Record
- U.S. Army Military History Institute, Archives Branch, Colonel Davis Papers
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion A Battery Morning Report
- 244th Field Artillery Battalion, Battery B Morning Report
- 244th Field Artillery Battalion C Battery Morning Report
- 244th Field Artillery Battalion, Service Battery Morning Report
- Third U. S. Army After Action Report, Volume I, Operations, Chapter 12 - May Operations Page 390, 391
- Third U. S. Army After Action Report, Volume I, Operations, Chapter 12 - May Operations Page 390, 391
- 244th Field Artillery Battalion Journal
- Department of The Army, USH&EC, USAMHI, 202-244th 1945, “History of The 244th Field Artillery Battalion During World War II
- 244th Field Artillery Battalion After Action Report May 1945
- W. U. (Doc) Savage Letter, December 15, 1949
- Serving In Harm's Way, A Record of My Service In The U.S. Army and WWII, Byron G. Rogers jr., January 2006
- PFC Harry G. MacDuffee, B Battery, 244th Field Artillery - Battery Record
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion A Battery Morning Report
- 244th Field Artillery Battalion B Battery Morning Report
- 244th Field Artillery Battalion C Battery Morning Report
- 244th Field Artillery Battalion Service Battery Morning Report
- Spearhead of Patton's Third Army, Chapter 16, Page 430, 30th April to 8th May 1945
- The Ultimate WWII Quiz Book by Timothy B. Benford
- Complements of Bert Duplantis
- 244th Field Artillery Battalion After Action Report, 1st May to 31st May
- 244th Field Artillery Battalion After Action Report, 1st May to 31st May
- PFC Harry G. MacDuffee, B Battery, 244th Field Artillery - Battery Record
- Department of The Army, USH&EC, USAMHI, 202-244th 1945, “History of The 244th Field Artillery Battalion During World War II
- 244th Field Artillery Battalion Journal
- Serving In Harm's Way, A Record of My Service In The U.S. Army and WWII, Byron G. Rogers jr., January 2006
- W. U. (Doc) Savage Letter, December 15, 1949
- Hq Battery, Frederick (Fred) Priewert, 2nd Lt., Journal
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion C Battery Morning Report
- 244th Field Artillery Battalion, Service Battery Morning Report
- 244th Field Artillery Battalion A Battery Morning Report
- 244th Field Artillery Battalion B Battery Morning Report
- 244th Field Artillery Battalion, Battery C Morning Report
- 244th Field Artillery Battalion Service Battery Morning Report
- W. U. (Doc) Savage Letter, December 15, 1949
- Hq Battery, Frederick (Fred) Priewert, 2nd Lt., Journal
- Department of The Army, USH&EC, USAMHI, 202-244th 1945, “History of The 244th Field Artillery Battalion During World War II
- Department of The Army, USH&EC, USAMHI, 202-244th 1945, “History of The 244th Field Artillery Battalion During World War II
- Werving In Harm's Way, A Record of My Service In The U.S. Army and WWII, Byron G. Rogers jr., January 2006
- PFC Harry G. MacDuffee, B Battery, 244th Field Artillery - Battery Record
- 244th F.A. Battalion Battery HQ & Hq Morning Report
- 244th Field Artillery Battalion A Battery Morning Report
- 244th Field Artillery Battalion B Battery Morning Report
- 244th Field Artillery Battalion C Battery Morning Report
- 244th Field Artillery Battalion Service Battery Morning Report
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th F.A. Battalion Battery C Morning Report
- 244th Field Artillery Battalion Service Battery Morning Report
- PFC Harry G. MacDuffee, B Battery, 244th Field Artillery - Battery Record
- 244th Field Artillery Battalion A Battery Morning Report
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th Field Artillery Battalion HQ & Hq Battery Morning Report
- 244th F.A. Battalion Battery HQ & Hq Morning Report
- John W. Outlaw responding to question from his daughter, Mary Outlaw, “How did you know the war had ended?"
- 244th F.A. Battalion Battery HQ & Hq Morning Report
- 244th F.A. Battalion Battery HQ & Hq Morning Report
- 244th F.A. Battalion Battery HQ & Hq Morning Report
- 244th Field Artillery Battalion After Action Report May 1945