1. Cruickshank, Charles, The German Occupation of the Channel Islands, Channel Islands: The Guernsey Press Co., 1975.
2. Delaforce, Patrick, Smashing the Atlantic Wall, The Destruction of Hitler’s Coastal Defenses, London: Cassell & Co., 2001.
3. Kaufmann, J.E. and H.W. Kaufmann, Fortress Third Reich, GermanFortifications and Defense Systems in World War II, Cambridge, MA: Da Capo Press, 2003.
WWII Netherlands Escape Lines 