`  == Good reference from German side of Derflinger operations ==  Hi:  An excellent source of information on Derflinger can be found in ``Kiel and Jutland`` by Commander Georg Von Hase.  This book by the gunnery officer of Derflinger at Jutland has been translated into English and is available in a number of editions.  I suggest it be added to the reference list.   T. Schubert`