Đọc thêm U-boat

  • Möller, Eberhard and Werner Brack. The Encyclopedia of U-Boats: From 1904 to the Present (2006) ISBN 1-85367-623-3
  • Showell, Jak Mallmann. The U-boat Century: German Submarine Warfare, 1906-2006 (2006) ISBN 1-59114-892-8
  • Georg von Trapp and Elizabeth M. Campbell. To the Last Salute: Memories of an Austrian U-Boat Commander (2007)
  • Westwood, David. U-Boat War: Doenitz and the evolution of the German Submarine Service 1935 - 1945 (2005) ISBN 1-932033-43-2
  • Werner, Herbert. Iron Coffins: A Personal Account of the German U-Boat Battles of World War II ISBN 978-0304353309
  • Von Scheck, Karl. U122: The Diary of a U-boat Commander Diggory Press ISBN 978-1846850493