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 Drill and Service Regulations for Field Artillery (6-inch Howitzer) : Volume IV : Part X Service of the piece 105-mm Howitzer, M 2, truck-drawn - USA Field Artillery Field Manual, FM 6-75 Service of the piece 8-inch Howitzer M 1 - USA Field Artillery Field Manual, FM 6-91 Service of the piece : 105-MM howitzer self-propelled - USA Armored Force Field Manual, FM 17-63 Service of the piece : 8-inch gun M1 and 240-mm Howitzer M1 - USA War Department Field Manual, FM 6-95
