Handelskrieg mit U-Booten / bearb. von Arno Spindler war, armed forces and society Men, ideas and tanks : British military thought and armoured forces, 1903-1939 / J.P. Harris History of the German night fighter force, 1917-1945 / Gebhard Aders ; [transl. from the German and ed. by Alex Vanags-Baginskis assisted by Brendan Gallagher] Sojuza Sovetskich Socialističeskich Respublik 1917-1967 / [Glavnyi redaktor B. A. Vvedenski]