• 

  Atlantikwall-Relikte - Holland - VB Den Helder

  https://web.archive.org/web/20141109141746/http://www.atlantikwall.mynetcologne.de/Atlantikwall/Holland/WBNI/KVA%20Schagen/NL-VB

  Atlantikwall

• 

  Atlantikwall-Relikte - Holland - VB Den Helder

  https://web.archive.org/web/20141109141746/http://www.atlantikwall.mynetcologne.de/Atlantikwall/Holland/WBNI/KVA%20Schagen/NL-VBDenHelder.html

  Atlantikwall

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