by Heinz Joachim Nowarra
German ace Oswald Bölcke, second from left, marked with an X, was killed in a collision, October 28, 1916 with 40 victories.
The Jew with the Blue Max, by Heinz Joachim Nowarra, a Biography of Wilhelm Frankl
Publisher: Aeronautica John W. Caler, 1967
Copyright: John W. Caler 1967