Zeppelin in Combat: History of the German Naval Airship Division, 1912-18

Up Ship!: U. S. Navy Rigid Airships, Nineteen Nineteen to Nineteen Thirty-Five

The Zeppelin in Combat: A History of the German Naval Airship Division

The Zeppelin in combat : a history of the German Naval Airship Division,1912-1918.

Dangerous Sky: History of Aviation Medicine

The Zeppelin in Combat: A History of the German Naval Airship Division

Up Ship!: U. S. Navy Rigid Airships, Nineteen Nineteen to Nineteen Thirty-Five

Ghost Wars: The Secret History of the Cia, Afghanistan, and Bin Laden, from the Soviet Invasion to September 10, 2001 (Pulitzer Prize Winner)