anti-aircraft training instruction Heavy anti-aircraft - Engeland Voorschrift, 43/AA/1771 anti-aircraft training instruction Light anti-aircraft - Engeland Voorschrift, 43/AA/1773 anti-aircraft training instruction Rocket anti-aircraft - Engeland Voorschrift, 43/AA/1758 anti-aircraft training instruction Heavy anti-aircraft - Engeland Voorschrift, 43/AA/1790 anti-aircraft training instruction Light anti-aircraft - Engeland Voorschrift, 43/AA/1786 Antiaircraft artillery target practice - USA Voorschrift, Technical Manual, No. 4-234 Portable flame throwers, M1 and M1A1 - USA Voorschrift, Technical Manual, No. 3-375 Field artillery survey - USA Voorschrift, Technical Manual, 6-200 Conduct of field artillery fire using air observation - USA Voorschrift, Technical Manual, 6-210 Abbreviated firing tables - USA Voorschrift, Technical Manual, 6-215 Field artillery trainer - USA Voorschrift, Technical Manual, 6-225 Field artillery trainer, M3 - USA Voorschrift, Technical Manual, 6-225