Parachutes, aircraft fabrics, and clothing - USA Voorschrift, Technical Manual, 1-440 Service of the piece : 75-mm gun M 2 A 3, truck-drawn and horse-drawn - USA Field Artillery Field Manual, FM 6-56 Aircraft engines - USA Voorschrift, Technical Manual, 1-405 Theory of flight - USA Voorschrift, Technical Manual, 1-400 Elementary weather for pilot trainees - USA Voorschrift, Technical Manual, 1-231 weather observer - USA Voorschrift, Technical Manual, 1-235 Radiotelephone procedure, Army Air Forces - USA Voorschrift, Technical Manual, 1-460 Theory of ballooning - USA Voorschrift, Technical Manual, 1-305 Physiological aspects of flying - USA Voorschrift, Technical Manual, 1-705 Advanced glider training - USA Voorschrift, Technical Manual, 1-815 armored division - USA Voorschrift, Field Manual, 17-100 Antiaircraft artillery : service of the piece 105-mm antiaircraft gun - USA Coast Artillery Field Manual, FM 4-130
