1. Report on survey of aircrew personnel in the Eighth, Ninth, Twelfth, and Fifteenth Air Forces Author(s): Flanagan, John Clemans, 1906-1996, author Publication: Washington, D.C. : Army Air Forces, Office of the Air Surgeon, Research Division, Psychological Branch, April 1944 Subject(s): Military Personnel -- educationMilitary Personnel -- psychologyPersonnel Selection -- standardsUnited States