Schützenpanzerwagen SdKfz 251 en SdKfz 250 - Profile AFV Weapons 57 new vanguard series Flammpanzer : German flamethrowers, 1941-45 / Thomas L. Jentz and Hilary L. Doyle ; illustrated by P. Sarson afv/weapons series Schützenpanzerwagen SdKfz 251 / by Walter Spielberger. SdKfz 250 / by Peter Chamberlain and Hilary L.Doyle bellona handbook Semi-tracked vehicles of the German Army, 1939-45 / compiled by P. Chamberlain and H. L. Doyle bellona handbook summary of the self-propelled weapons of the German army 1939-45 / compiled by P. Chamberlain and H. L. Doyle afv/weapons profile Illustrated summary of German self-propelled weapons 1939-1945 / by Peter Chamberlain and Hilary L. Doyle mittlere Kampfpanzer Leopard und seine Abarten / Walter J. Spielberger ; Zeichn. Hilary L. Doyle ; Ill. Uwe Feist Gepard : the history of German anti-aircraft tanks / Walter J. Spielberger ; [drawings by Hilary L. Doyle]