Books by United States. War Dept. Division of Military Aeronautics.
Air service medical manual
Balloon observation
Balloon terms
Balloon terms
Construction of balloons
Construction of balloons
General notions of organization and tactical suggestions indispensable to the balloon observer ..
Manual of rigging notes
Methods of obtaining and transmitting information by balloon service
Notes on the interpretation of
Notes on the interpretation of aeroplane photographs ..
Panoramic drawing
Panoramic drawing
Principles underlying the use
Principles underlying the use of balloons; ..
Report of the director of military aeronautics, U. S. Army, to the secretary of war. 1918
Work of the observer
Work of the observer