: A specialized directory that identifies different flotillas and the specific submarines used during the war 1.3.1 .

: Places the Kriegsmarine's efforts within the broader context of a century of German naval history 1.3.7 .

: A thorough exploration of strategy, naval battle tactics, and the technical details of major German ships and U-boats 1.2.1 .

: A deep dive into the strike force that targeted Allied merchant shipping in the Atlantic 1.3.10 . Ship Directories and Technical Manuals

: Features older, public-domain books on the German fleet.

: Search for "Kriegsmarine" to find a vast collection of borrowed and public domain books.