Tactics instruction memorandum : Tactical Aspects of Field Artillery Fire Direction Materiel instruction memorandum : Sighting and laying equipment for field artillery materiel Tactics instruction memorandum : Radio voice procedure for field artillery Materiel instruction memorandum : Field Artillery Ammunition american forces in action Salerno : American operations from the beaches to the Volturno : (9 September-6 October 1943) / Historical Division, War Department ; [with a forew. by … united states army in world war ii procurement and training of ground combat troops / Robert Roswell Palmer, Bell I. Wiley and William R. Keast Service of the piece : 155-mm gun M 1 - USA Field Artillery Field Manual, FM 6-90 Wedemeyer reports! / General Albert C. Wedemeyer 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 : tactics and technique of division artillery and higher artillery echelons - USA War Department Field Manual, FM 6-100 american forces in action series St.-Lô (7 July - 19 July 1944) / U.S. War Department Historical Division