1. Air Forces Escape and Evasion Society, Birmingham, Michigan
2. The Comet Connection: Escape from Hitler’s Europe, George Watt, 1990
3. The Freedom Line, Peter Eisner, 2004
4. Great Escapes, Terry Treadwell, 2008
5. In Search of a Character, Graham Greene, 1961
6. Last Best Hope, William Grosvenor, 1943
7. Masters of the Air: America’s Bomber Boys Who Fought the Air War Against Nazi Germany, Donald Miller, 2007
8. National Archives, College Park, Maryland
9. One Against The Wind, movie, 1993
10. Silent Heroes: Downed Airmen and the French Underground, Sherri Greene Otis, 2001
11. Websites:
www.cometline.weebly.com
www.edenbridgetown.com
www.histomil.com
www.ww2escapelines.co.uk
Wikipedia: Comet line
Elvire DeGreef
Andree DeJongh
Micheline Dumon
Liberation of Belgium
12. Zero Night: The Untold Story of World War II Greatest Escapes, Mark Felton, 2015