Der tolle Wolf - Kriegsbücherei der deutschen Jugend
p. 12: "During a military operation he distinguished himself in a way that he was promoted a lance-corporal. Only a fortnight later he became a sergeant because of the execution of an even more dangerous mission and he received the Eiserne Kreuz. Since that time his nickname also rang beyond the rows of the squadron. Anyone who saw him immediately knew: this is wild Wolf!"
Author: E.C. Christophé