Service of the piece 8-inch Howitzer M 1 - USA Field Artillery Field Manual, FM 6-91 Elementry map and aerial photography reading - USA Voorschrift, Field Manual Advanced map and aerial photograph reading - USA Voorschrift, Field Manual, 21-26 Advanced map and aerial photograph reading - USA Basic Field Manual, FM 21-26 chaplain - USA Voorschrift, Training Manual, 2270-5 Aviation engineers - USA Voorschrift, Tentative Technical Manual, 5-255 Radar set AN/MPG-1 and AN/FPG-1 : Technical operation manual : General description, operating instructions and equipment performance log - USA Voorschrift, Technical Manual, 11-1366 Radar set AN/MPG-1 and radar set AN/FPG-1 : Preventive maintenance manual - USA Voorschrift, Technical Manual, 11-1466 U.S. rifle, cal. .30, M1 : ordnance maintenance / War Department - USA Technical Manual, TM 9-1275 37-MM antiaircraft gun matériel : Ordnance maintenance - USA Voorschrift, Technical Manual, No. 9-1235 Chassis and body for scout cars M3A1 : ordnance maintenance - USA Voorschrift, Technical Manual, 9-1709 Heavy tractor M1, caterpillar D7 : ordnance maintenance - USA Voorschrift, Technical Manual, 9-1773