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 Manual for noncommissioned officers and privates of field artillery of the army of the United States : 1917 : Dl. 1 Tactics and technique - USA Field Artillery Field Manual, FM 6-20 Service of the piece 105-mm Howitzer, M 2, truck-drawn - USA Field Artillery Field Manual, FM 6-75 Field artillery : tactics and technique of division artillery and higher artillery echelons - USA War Department Field Manual, FM 6-100 Artillery handbook 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
