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 Field artillery : tactics and technique of division artillery and higher artillery echelons - USA War Department Field Manual, FM 6-100 Advanced map and aerial photograph reading - USA Basic Field Manual, FM 21-26 Examination for gunners - USA Antiaircraft Artillery Field Manual, FM 4-119 Equipment, clothing, and tent pitching - USA Basic Field Manual, FM 21-15 Service of the piece : 155-mm gun M 1 - USA Field Artillery Field Manual, FM 6-90 Nazi conspiracy and aggression / Office of United States Chief of Counsel for Prosecution of Axis Criminality publication Peace and war : United States foreign policy, 1931-1941 Field Artillery : Tactical Employment - USA Field Manual, FM 6-20 Song and service book for ship and field. Army and Navy / ed. by Ivan L. Bennett, chairman of the editorial committee campaigns of the Pacific war / United States Strategic Bombing Survey (Pacific), Naval Analysis Division