field manual Reglamento de servicio (infanteria) : el regimiento de fusileros field manual army postal service / Prepared under direction of the adjutant general Engineer field manual : parts I-VI : U.S.A. field manual Organization and tactics of infantry : the rifle battalion / [War Department] ; prep. under dir. of the Chief of Infantry field manual Defense against chemical attack field manual Field service regulations : administration field manual Tank units field manual Organization and drill field manual Quartermaster service in theater of operations field manual Criminal investigation field manual First aid for soldiers field manual Corps of Engineers : reference data