Personal Papers in the Albert F.Simpson Historical Research Center / comp. and ed. by Richard E. Morse and Thomas C. Lobenstein Colorado salutes the air force academie : guide and directory / Philip T. Flaxman Antiaircraft defense (tentative) tactical employment of antiaircraft artillery in the independent division and corps (tentative) / Command and general staff school comparative psychology monographs Studies of autonomic balance in army air forces personnel / M.A. Wenger SAC : the Strategic Air Command / R.G. Hubler