2 Teile Der U-boot krieg 1939 - 1942 Die Jäger / 1942 - 1945. Die Gejagten

1998 Munchen, with dustjacket. In 2 volumes. Volume 1, 1939-1942, 912 pages, Volume 2, 1942-1945, 1022 pages. Standardwork about this subject. With photo's. ISBN 345312345x and 3453160592. German Language.