The Kriegsmarine
did not have many special designed escort vessels. Unlike the allied navys. Although
some new designs were planed none of those were completed. Therefore the Kriegsmarine
used other classes of ships for escort vessels, mine hunters, torpedo boats.
German Warships, 1815-1945: Major Surface Vessels.
ISBN-10: 0851775330
German Warships, 1815-1945: U-boats and Mine Warfare Vessels.
ISBN-10:
155750301X
German warships of the Second World War.
ISBN-10: 0668040378
For a complete list of
sources 
