Larson, Burge, & Barr, 2015

Paul H. Larson, Kevin I. Burge, Keith L. Barr. The First Wings of War: Air Force Reserve in World War I. Special Study, Air Force Reserve History Program, HQ Air Force Reserve Command, Robins Air Force Base, GA.

World War I; U.S. Army Signal Corps; Raynal Cawthorne Bolling‎; John J. Pershing; Air Reserve Program (est. 1916); First Aero Squadron (Mexico expedition); Benjamin D. Foulois; 1916 National Defense Act; Hiram Bingham; other people and details on activities in the war.

Appendix: Battle orders from General William Mitchell dated 11 September 1918, ordering:

OUR AIR SERVICE WILL TAKE THE OFFENSIVE AT ALL POINTS WITH THE OBJECT OF DESTROYING THE ENEMY'S AIR SERVICE, ATTACKING HIS TROOPS ON THE GROUND AND PROTECTING OUR OWN AIR AND GROUND TROOPS.