V-2 / by Walter Dornberger ; transl. [from the German] by James Cleugh and Geoffrey Halliday ; introd. by Willy Ley deutschen Flugzeuge 1933-1945 : Deutschlands Luftfahrt-Entwicklungen bis zum Ende des Zweiten Weltkrieges / von Karlheinz Kens, Heinz J. Nowarra schiffer military/aviation history Secret wonder weapons of the Third Reich : German missiles, 1934-1945 / J. Miranda and P. Mercado German secret weapons of the second world war : the missiles, rockets, weapons and new technology of the Third Reich / by Ian V. Hogg fortress europe Hitler's V-weapon sites / Philip Henshall