Gunnery instruction memorandum : Construction and Use of a Rapid Computer for Survey Traverses Materiel instruction memorandum : Sighting and laying equipment for field artillery materiel Materiel instruction memorandum : The Firing Battery 155mm Howitzer M1 Tactics instruction memorandum : Radio voice procedure for field artillery Gunnery instruction memorandum : Use of Photomaps in Field Artillery Battalion Survey and Unobserved Fire Gunnery instruction memorandum : Laying A Mosaic by Radial Line Method Gunnery instruction memorandum : The Aerial O.P. Materiel instruction memorandum : Field Artillery Ammunition Memorandum der bereden Artillerie : Materieel, munitie / F.H. Boogaard Memorandum der bereden Artillerie : Manoeuvres de Force, voorzorgen en marsch, Batterijschool, afdeelingschool / F.H. Boogaard Memorandum der bereden Artillerie / F.H. Boogaard : Tactiek 19e Regiment Infanterie : memorandum / P. Clerk