Notes on eye, ear, nose, and throat in aviation medicine - USA Voorschrift, Technical Manual, 8-300 Notes on cardiology in aviation medicine - USA Voorschrift, Technical Manual, 8-305 Notes on psychology in aviation medicine - USA Voorschrift, Technical Manual, 8-310 Air corps : Flying; general - USA Voorschrift, Army Regulations, No. 95-15 Air corps : Army railways communications system - USA Voorschrift, Army Regulations, No. 95-200 Air corps : Airdromes - USA Voorschrift, Army Regulations, 95-35 Elementary physics for pilot trainees - USA Voorschrift, Technical Manual, 1-233 Instrument flying training - USA Voorschrift, Technical Manual, 1-445