Historie : http://valortovictory.tripod.com/b17s/43-38789.htm
http://www.accident-report.com/world/europe/france/fr4505.html
http://ww45.usafunithistory.com/PDF/1-4/4%20BOMBARDMENT%20SQ%20(HEAVY).pdf
Foto's https://www.flickr.com/photos/johnfunk/5329433138