Antiaircraft artillery : organization and tactics - USA Coast Artillery Field Manual, FM 4-105 Antiaircraft artillery : gunnery, fire control, position finding and horizontal fire, case I firing. - USA Coast Artillery Field Manual, FM 4-112 Tactics and technique - USA Field Artillery Field Manual, FM 6-20 Field artillery : tactics and technique of division artillery and higher artillery echelons - USA War Department Field Manual, FM 6-100 Seacoast artillery : service of the piece 6 -inch gun on barbette carriage - USA Coast Artillery Field Manual, FM 4-75 field manual Corps of engineers : construction and routes of communication field manual Browning machine gun caliber .30, HB, M1919A4 (mounted in combat vehicles) / prep. under dir. of the Chief of Infantry field manual Browning machine gun, caliber .30, M1917 war department technical manual 2-inch mortar M3 war department technical manual Diesel engines and fuels / prepared under direction of the war department technical manual Chemical decontamination materials and equipment war department technical manual Field artillery Fire-control instruments / prepared under direction of the chief of field artillery