Vocational teaching - USA Voorschrift, Technical Manual, 1-1000 Antiaircraft artillery : service of the piece 37-mm antiaircraft gun - USA Coast Artillery Field Manual, FM 4-140 Examination for gunners - USA Coast Artillery Field Manual, FM 4-150 Aircraft power plant operation - USA Voorschrift, Technical Manual, 1-408 Instrument trainer maintenance - USA Voorschrift, Technical Manual, 1-447 Electrical fundamentals - USA Voorschrift, Technical Manual, 1-455 Fundamentals of mechanical drawing - USA Voorschrift, Technical Manual, 1-1050 Elementary physics for pilot trainees - USA Voorschrift, Technical Manual, 1-233 Mathematics for pilot trainees - USA Voorschrift, Technical Manual, 1-900 Airship aerodynamics - USA Voorschrift, Technical Manual, 1-320 Aerostatics - USA Voorschrift, Technical Manual, 1-325 Elementary weather for air crew trainees - USA Voorschrift, Technical Manual, 1-231