The Gestapo: Power And Terror In The (2014) By Carsten Dams and Michael Stolle

This Age Of Conflict: A Contemporary World History (1950) By Frank P. Bayley

Unexplained Mysteries Of World War II (1997) By William B. Breuer

The Air War 1939-1945 (1987) By R. J. Overy

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The Coming War Between Russia and China (1969) By Harrison E. Salisbury

Neue JZ Illustrierte Zeitung #50 (16 Feb 1943)

Reichssportblatt #50 (1940)