"Hitler's Army : The Men, Machines, and Organization : 1939-1945 / D. Stone. - Minneapolis, 2009. - p. 64 Aircraft of the Luftwaffe, 1935-1945 : An Illustrated Guide / J.D.G.G. Lepage. - Jefferson, 2009. - p. 16, 17" . "The Oberkommando der Luftwaffe, the Oberkommando der Kriegsmarine and the Oberkommando des Heeres were subordinate to the Oberkommando der Wehrmacht which was ultimately responsible to Hitler for the operational conduct of the three armed branches of the German forces."@eng . "Oberkommando der Luftwaffe"@eng . .