Lawrence Paterson - U-boat Combat Missions: The Pursuers & the Pursued - First-hand Accounts of U-boat Life and Operations Chatham Publishing | 2007 | ISBN: 1861763204 | English | 153 pages | PDF | 122.8 MB
Peter Sharpe - U-Boat Fact File: Detailed Service Histories of the Submarines Operated by the Kriegsmarine 1935-1945 Midland Publishing Limited | 1998 | ISBN: 1857800729 | English | 223 pages | PDF | 102.98 MB