Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 61. Chapters: German submarine U-20, German submarine U-413, German submarine U-459, German submarine U-460, German submarine U-461, German submarine U-489, German submarine U-760, German submarine U-462, German submarine U-490, German submarine U-463, German submarine U-487, German submarine U-181, SM UC-42, German submarine U-34, SM U-9, HMS H6, German submarine U-29, German submarine U-259, German submarine U-83, SM UB-48, German submarine U-31, German submarine U-175, German submarine Wilhelm Bauer, German submarine U-86, German submarine U-32, SM UC-5, German submarine U-218, Type 205 submarine, German submarine U-427, German submarine U-131, SM UC-12, German submarine U-1227, SM UC-41, German submarine U-156, German submarine U-63, SM UC-97, German submarine U-201, German submarine U-268, German submarine U-280, SM UC-29, SM UC-90, German Type UC II submarine, German submarine U-273, SM UC-99, SM UC-48, German submarine U-3505, SM UC-47, German submarine U-229, German submarine U-889, German Type U 151 submarine, SM UC-46, SM UC-7, German submarine U-23, German submarine U-216, SM UB-26, German submarine U-337, SM UC-70, SM UC-50, German submarine U-3506, SM UC-74, German submarine U-228, SM UC-79, SM UC-14, Italian submarine Comandante Cappellini, German submarine U-215, SM UC-57, German submarine U-72, German submarine U-120, German submarine U-253, German submarine U-217, German submarine U-1060, SM UC-91, German submarine U-362, SM UC-92, German Type Mittel U submarine, German submarine U-1062, SM UC-45, SM UC-13, SM UC-6, SM UC-44, SM UB-81, SM UC-49, SM UC-66, SM UC-39, SM UC-61, SM UC-33, SM UC-78, German submarine U-1235, SM UC-63, German submarine U-881, SM UC-56, SM UC-31, SM UB-68, German submarine U-434, German submarine U-77, SM UC-19, SM UC-52, SM UC-24, SM UC-16, SM UB-107, SM UC-65, SM UC-62, SM UC-26, SM UC...