The American Way : Die Dieselstory, Teil 2: Vorgänger von Electro Motive
The story of the first Trans-Continental Railroad : its projectors, construction and history
Air power history : journal of the Air Force Historical Foundation
Das NASA Archiv : vom Mercury-Programm zu den Marsrovern : 60 Jahre im All
Empire of the Clouds: When Britain's Aircraft Ruled the World - James Hamilton-Paterson
Final Countdown: NASA and the End of the Space Shuttle Program - Pat Duggins
The Candy Bombers: The Untold Story of the Berlin Airlift and America's Finest Hour - Andrei Cherny
Road to Mach 10: Lessons Learned from the X-43A Flight Research Program - Curtis Peebles
Jet Propellant 8 versus Alternative Jet Fuels: A Life-Cycle Perspective