The following publications contain information about George Glenn:

Article: "George W. Glenn's Story of the Battle #1: A 7th Cavalry survivor's account of the Battle of the Little Bighorn" • Excerpt from Custer in '76: Walter Camp's Notes on the Custer Fight edited by Kenneth Hammer •  Brigham Young University Press •  1976 •  pages 135-137.

Article: "George W. Glenn's Story of the Battle #2: A 7th Cavalry survivor's account of the Battle of the Little Bighorn" • Excerpt from Indian Views of the Custer Fight: A Source Book by Richard G. Hardorff • The Arthur Clark Co. • Spokane, WA • 2004 • pages 191-201.