Index to army regulations including all regulations and changes promulgated prior to 1 january, 1946 / prepared under direction of the Adjudant General Jungle operations - USA Voorschrift, Field Manual, 31-30 Index to army regulations : including all regulations and changes promulgated prior to january 1, 1943 / prepared under the direction of the adjutant general … Index to army regulations : including all regulations and changes promulgated prior to january 1, 1944 / prepared under the direction of the adjutant general … Operating instructions : Adjustment and Repair, instructions, Parts List : Models: 23, 23B, 23BC, 23BP, 23C, 23FB, 23 FBC, 23FBL, 23FBP, 23FBPC, 23P, 23PC, 23R6, … Cannon 8 inch Howitzer M2 and M2A1 on Howitzer, Heavy, Towed: 8 inch, M115. Cannon 8 inch Howitzer M2A1E1 on Howitzer Heavy, Self-Propelled 8 inch …