deutsche Anmarsch in Belgien / von Arnold J. Toynbee Pictorial history of tanks of the world, 1915-45 / Peter Chamberlain & Chris Ellis war walk : a journey along the Western Front / Nigel H. Jones ; foreword by Alistair Horne British tanks, 1915-1945 Firepower / Bruce Quarrie intelligent robotics and autonomous agents Unmanned systems of World Wars I and II / H.R. Everett ; forword by Michael Toscano 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]