united states army in world war ii procurement and training of ground combat troops / Robert Roswell Palmer, Bell I. Wiley and William R. Keast Tactics instruction memorandum : Local security and defense of field artillery Materiel instruction memorandum : Maintenance of Field Artillery Materiel Gunnery instruction memorandum : Survey plans and procedures in the field artillery battalion and regiment Master schedule and master study assignment schedule : Sixtieth (60th) field artillery course Materiel instruction memorandum : Construction of Field Artillery Materiel Tactics instruction memorandum : Organization and Functioning of Field Artillery of the Marine Division