• 

  Destroyer History — William Cramp and Sons Ship & Engine Building Co., Philadelphia, PA

  http://www.destroyerhistory.org/destroyers/cramp.html

  Text, tables and photos.

• 

  Seekrieg 1941, September

  http://www.wlb-stuttgart.de/seekrieg/41-09.htm

  Keine Beschreibung vorhanden.

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