Denton, Sally. 2016. The Bluegrass Conspiracy. Createspace Independent Publishing Platform.
Knoxville News-Sentinel, Sunday, March 11, 1990, Page 1, “The Final Flight of Gray Leader” by Tom Chester
Lexington Herald-Leader, Thursday, September 12, 1985, Page 1, “Lexingtonian Falls to Death with $15 million in Cocaine” by Kit Wagar, Jim Warren, Valarie Honeycutt, Michael York, Jack Brammer, and Andy Mead.
Knoxville News-Sentinel, Thursday, September 12, 1985, Page 1, “Crashed Plane, Chutist Linked” by Todd Copilevitz
Raleigh News and Observer, Friday, September 13, 1985, Page 3, “Smuggler May Have Tried New Approach” (UPI)