Notes on eye, ear, nose, and throat in aviation medicine - USA Voorschrift, Technical Manual, 8-300 Aviation engineers - USA Voorschrift, Tentative Technical Manual, 5-255 Notes on cardiology in aviation medicine - USA Voorschrift, Technical Manual, 8-305 Notes on psychology in aviation medicine - USA Voorschrift, Technical Manual, 8-310 Outline of neuropsychiatry in aviation medicine - USA Voorschrift, Technical Manual, 8-325 Army ground forces : light aviation - USA War Department Field Manual, FM 20-100 Aviation in support of ground forces - USA Voorschrift, Basic Field Manual, 31-35 Army Transport Aviation Combat Operation - USA Voorschrift, Field Manual, 57-35