Field service regulations : operations - USA Field Manual, FM 100-5 Service of the piece 105-mm Howitzer, M 2, truck-drawn - USA Field Artillery Field Manual, FM 6-75 Field artillery - USA Voorschrift, Training Regulations, No. 430 Field artillery : Special field artillery vehicles - USA Voorschrift, Technical Regulations, No. 1305-A 25 Watt Airport Control Transmitter Equipment : Radio Transmitter BC-329-J : Remote Control RM-6-J : Microphone T-27-L - USA Voorschrift, Technical Manual, 11-817 Service of the piece : 155-MM gun M2 : truck-drawn and tractor-drawn - USA War Department Field Manual, FM 6-90 Notes for field artillery replacement centers - USA Voorschrift, Technical Manual, 6-600 Service of the piece : 75-mm gun M 2 A 3, truck-drawn and horse-drawn - USA Field Artillery Field Manual, FM 6-56 Service of the piece : 155-mm gun M 1 - USA Field Artillery Field Manual, FM 6-90 Field artillery survey - USA Voorschrift, Technical Manual, 6-200 Conduct of field artillery fire using air observation - USA Voorschrift, Technical Manual, 6-210 Field artillery trainer - USA Voorschrift, Technical Manual, 6-225