key uniform guides Luftwaffe air crews : Battle of Britain 1940 / Brian L. Davis German artillery of World War Two / [by] Ian V. Hogg ; [ammunition line drawings by M. Streetly] warships of world war i; 1 Warships of World War I : battleships (British and German battleships and battle cruisers) / H.M. Le Fleming Directory of wheeled vehicles of the Wehrmacht, 1933-45 / edited by Chris Ellis scourge of the swastika : a short history of nazi war crimes / Edward Frederick Langley Russel of Liverpool lord German secret weapons of the second world war : the missiles, rockets, weapons and new technology of the Third Reich / by Ian V. Hogg Hitler's terror weapons : the price of vengeance / Roy Irons ; forew. by Richard Overy