Service of the piece : 105-MM howitzer self-propelled - USA Armored Force Field Manual, FM 17-63 Field artillery survey - USA Voorschrift, Technical Manual, 6-200 Conduct of field artillery fire using air observation - USA Voorschrift, Technical Manual, 6-210 Field artillery trainer - USA Voorschrift, Technical Manual, 6-225 Field artillery trainer, M3 - USA Voorschrift, Technical Manual, 6-225 Field artillery individual and unit training standards - USA Voorschrift, Technical Manual, 6-605 Field music - USA Voorschrift, Technical Manual, 20-250 Band - USA War Department Field Manual, FM 12-50 Finance service in mobile field units - USA Voorschrift, Technical Manual, 14-506 Fiscal accounting for field installations - USA Voorschrift Technical Manual 14-702 Service of the piece : 8-inch gun M1 and 240-mm Howitzer M1 - USA War Department Field Manual, FM 6-95 Manual of field engineering : Accommodation and water supply - Engeland Voorschrift, 26/GS Publications/695