Operator selection and training : materials handling equipment - USA Voorschrift, Technical Manual, 21-302 motor vehicle - USA Voorschrift, Technical Manual, 10-510 Signal communication for all arms and services - USA Voorschrift, Training Regulations, No. 160-5 Radio set, type SCR-132 - USA Voorschrift, Technical Regulations, No. 1210-30 Radio sets, types SCR-131 and SCR-16 - USA Voorschrift, Technical Regulations, No. 1210-50 Radio sets, types SCR-189 and SCR-190 - USA Voorschrift, Technical Regulations, No. 1210-70 Maintenance of way rules : militairy railway service : 1 - USA Voorschrift, Technical Manual, 55-275 Care and use of induvidual clothing and equipment - USA Voorschrift, Field Manual, 21-15 Browning Machine Gun Caliber.30 inch, HB. M1919A4. Mounted in Combat Vehicles. FM 23-50 - USA Basic Field Manual, FM 23-50 Browning Machine Guns, Caliber .30 inch, M1917A1, M1919A4, and M1919A6 - USA Voorschrift, Field Manual, 23-55 75 mm. Tank Gun M2. (Mounted in Medium Tank M3). - USA Voorschrift Field Manual 23-95 Radio Communication. - USA Voorschrift Field Manual 24-18