Browning machine gun, caliber .50, HB, M2 (mounted in combat vehicles) - USA Basic Field Manual, FM 23-65 Antiaircraft artillery : service of the piece 3-inch antiaircraft gun - USA Coast Artillery Field Manual, FM 4-125 Browning machine gun, caliber .50, M2, water cooled, and mounts - USA Voorschrift, Technical Manual, 9-226 37-MM AA gun matériel - USA Voorschrift, Technical Manual, 9-235 Service of the piece : Multiple machine gun mounts - USA Voorschrift, Field Manual, 44-57 Basic Half-Track Vehicles (IHC) (Personnel Carrier M5, Car M9A1, Multiple Gun Motor Carriage M14, and Similar IHC Vehicles) - USA Voorschrift, Technical Manual, 9-707 Gun 76 mm. M1A1, M1A1C and M1A2 firing, Projectile fixed, APC-T, M62 and M62A1. Projectile fixed, illum, MK 24 mod.1. Projectile fixed, illum, Mk 25 … training regulations Cavalry : the cavalry machine-gun squadron / prep. under direction of the Chief of Cavalry - United Staten War Department Training Regulations TR 425-80 training regulations Cavalry : the employment of machine guns / prep. under direction of the Chief of Cavalry - United States War Department Training Regulations TR 425-110 Drill regulations for field artillery (4.7 inch gun) Drill regulations for field artillery (4.7 inch gun) Coast artillery corps : Gun drill, mobile mount, antiaircraft artillery - USA Voorschrift, Training Regulations No. 435-250