Notes on post-war ordnance development / by Leroy Hodges ; introd. by Samuel G. Waller Orientation for artillery - USA Voorschrift, Technical Manual, 44-225 Instruction for heavy artillery / prepared by a board of officers, for the use of the army of the United States Drill and Service Regulations for Field Artillery (6-inch Howitzer) : Volume IV : Part X Arsenal of democracy : American weapons available for export / by Tom Gervasi ; conceived by Bob Adelman ; designed by Neil Shakery Drill and Service Regulations for Field Artillery (6-inch Howitzer) : Volume III : Part IX Drill and Service Regulations for Field Artillery (6-inch Howitzer) : Volume II : Parts IV, V, VI, VII, and VIII Drill and Service Regulations for Field Artillery (6-inch Howitzer) : Volume I : Parts I, II, and III Instruction for heavy artillery; prepared by a board of officers, for the use of the army of the United States with service of a gun … Instruction for field artillery, prepared by a board of artillery officers, consisting of / WM.H.French, WM. F. Barry, H.J. Hunt, to which is added The … Drill and Service Regulations for Field Artillery (Horse and Light) : Volume II : Parts IV, V, VI, VII, and VIII. Field artillery : tactics and technique of division artillery and higher artillery echelons - USA War Department Field Manual, FM 6-100