Tactics and technique - USA Field Artillery Field Manual, FM 6-20 Field artillery : tactics and technique of division artillery and higher artillery echelons - USA War Department Field Manual, FM 6-100 Seacoast artillery : service of the piece 6 -inch gun on barbette carriage - USA Coast Artillery Field Manual, FM 4-75 Reglement betreffende de krijgstucht voor Nederlands-Indië (R.K.) : uitgave 1945 / Koninklijk Nederlands Indisch Leger field manual Mountain operations / War Department U.S. Description and instructions for the use of 3-inch stokes trench mortar Mark I and shell, Mark I Army extension courses. Special text : Administration / prep. under the dir. of the Adjutant General for use with the Army Extension Courses Army extension courses. Special text : Mess management / prep. under the dir. of the Quartermaster General for use with the Army Extension Courses Army extension courses. Special text : Defensive combat and organization of the ground / prep. under the dir. of the Chief of Infantry for use … Army extension courses. Special text : Defensive combat and organization of the ground / prep. under the dir. of the Chief of Infantry for use … Army extension courses. Special text : Tank operations / prep. under the dir. of the Chief of Infantry for use with the Extension Course of … Army extension courses. Special text : Tank operations / prep. under the dir. of the Chief of Infantry for use with the Extension Course of …