Drill and Service Regulations for Field Artillery (6-inch Howitzer) : Volume IV : Part X Light tank M24 and 155-mm Howitzer motor carriage M41 : tracks, suspension, hull and turret : Ordnance maintenance - USA Voorschrift, Technical Manual, 9-1729C 155-mm gun motor carriage M40 and 8-in. Howitzer motor carriage M43, hull and suspension : Ordnance maintenance - USA Voorschrift, Technical Manual, 9-1747 Service of the piece : 8-inch gun M1 and 240-mm Howitzer M1 - USA War Department Field Manual, FM 6-95 Howitzer, 105-mm, M2A1; Carriage, Howitzer, 105-mm, M2A1 and M2A2; Mount, Howitzer, 105-mm, M4 and M4A1 technical manual Operator's Manual (Crew) for Howitzer, Medium, Towed: 155MM, M198 (1025-01-026-6648) technical manual Operator's Manual For Howitzer, Medium, Self-Propelled: 155-MM, M109 (2350-00-440-8811) ; 155-MM, M109A1 (2350-00-485-9662) ; 155-MM, M109A3 (2350-01-031-8851) Howitzer, 105-mm, M2A1; Carriage, Howitzer, 105-mm, M2A1 and M2A2 technical manual 105-mm howitzer M2A1, 105-mm howitzer recoil mechanisms M2A1, M2A2, and M2A3, 105-mm howitzer carriages M2A1 and M2A2, and 105-mm howitzer mounts M4 and M4A1 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 … 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