Peter Young; St. Martin's Press Tessin 1980,第91頁. 參考書目與外部連結 Cole, HughM.(英语:HughM. Cole) UNITED STATES ARMY IN WORLD WAR: The European Theater of Operations
1971. HughCole. Historical Division United States , 编. The Lorraine Campaign. Washington. 1950 [2022-08-11]. (原始内容存档于2009-02-28) (英语). William M. Moore
Retrieved May 9, 2016. Cole, HughM. The Lorraine Campaign (Publication 7-6)(页面存档备份,存于互联网档案馆). Retrieved July 24, 2016. Cole, HughM. The Ardennes: Battle