Materiel instruction memorandum : The Firing Battery 75mm Pack Howitzer, M-1 Materiel instruction memorandum : The Firing Battery 155mm Gun M1 Materiel instruction memorandum : Fuzes and Boosters Materiel instruction memorandum : Instruction for Monthly (1,000-Mile) Maintenance Service Materiel instruction memorandum : Field Expedients Materiel instruction memorandum : Slings for Transport Loading Materiel instruction memorandum : Construction of Field Artillery Materiel List of training films, film strips, and film bulletins - USA Basic Field Manual, FM 21-7