Air navigation - USA Voorschrift, Technical Manual, 1-205 Parachutes, aircraft fabrics, and clothing - USA Voorschrift, Technical Manual, 1-440 AAHS journal Survival in the air age : a report / by the President's Air Policy Commission Amerika's vleugels 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 Aircraft inducation, fuel, and oil systems - USA Voorschrift, Technical Manual, 1-407