Havsvargar

Ubåtar och ubåtskrig i Östersjön

By Ekman, Per-Olof
(Sea wolves: Submarines and submarine warfare in the Baltic Sea)
1983, Schildt, Helsinki
ISBN 9515002796
348 pages, 40 photos, maps
book is in Finnish language

Descripton: A great book which covers both WWI and WWII and all the movements of Russian, Finnish and German submarines in the Baltic Sea. It also covers the operations by British submarines in the Baltic in WWI.

- This book has been translated into other languages.