field manual Reglamento de servicio (infanteria) : el regimiento de fusileros field manual army postal service / Prepared under direction of the adjutant general Manual of field engineering : ( All arms) field manual Field service regulations : operations / prepared under direction of the chief of staff Manual of field artillery exercises horse guards, 1st august 1861 4.2 inch Mortar M2. FM 23-92 Field Artillery. Tactics and Technique. FM 6-20 Field Artillery. Tactics and Technique. FM 6-20 Field Artillery. Tactics and Techniques. FM 6-20 war department technical manual Officer classification, commissioned and warrant : military classification and coding : field operations field manual 37-mm Gun : M1916 : FM 23-75 field manual Seacoast artillery : service of the piece : 12-inch Mortar, railway artillery