AAHS journal Amerika's vleugels Air navigation - USA Voorschrift, Technical Manual, 1-205 Parachutes, aircraft fabrics, and clothing - USA Voorschrift, Technical Manual, 1-440 Personal Papers in the Albert F.Simpson Historical Research Center / comp. and ed. by Richard E. Morse and Thomas C. Lobenstein Vocabulary for current ARDC technical efforts : april 1959 / Air Research and Development Command United States Air Force Aircraft hardware and materials - USA Voorschrift, Technical Manual, 1-424 Aircraft woodwork - USA Voorschrift, Technical Manual, 1-414 Airplane inspection guide - USA Voorschrift, Technical Manual, 1-415 Air navigation tables - USA Voorschrift, Technical Manual, 1-208 Mathematics for air crew trainees - USA Voorschrift, Technical Manual, TM 1-900 Aircraft instruments - USA Voorschrift, Technical Manual, 1-413
