United States. War Dept. Division of Military Aeronautics.

• General notions of organization and tactical suggestions indispensable to the balloon observer
• Notes on the interpretation of aeroplane photographs ..
• Topography ..
• Aerial navigation ..
• Air service medical
• Air service medical manual
• Air Service medical manual
• Balloon observation
• Manual of rigging notes
• Methods of obtaining and transmitting information by balloon service
• Report of the director of military aeronautics, U. S. Army, to the secretary of war. 1918
• Aerial navigation