Corps of engineers : Duties and relations of engineer troops - USA Voorschrift, Training Regulations, No. 445-15 Message center-procedure - USA Voorschrift, Training Regulations, No. 160-10 Instruments : Fire-control instruments - mobile artillery - USA Voorschrift, Training Regulations, No. 310 Field artillery - USA Voorschrift, Training Regulations, No. 430 Corps of engineers / War Department : Combat regiment - The platoon and the company - USA Voorschrift, Training Regulations, No. 445-18 Corps of engineers / War Department : The railway battalion - USA Voorschrift, Training Regulations, No. 445-25 Coast artillery corps : II - USA Voorschrift, Training Regulations, No. 435 Coast artillery corps - USA Voorschrift, Training Regulations, No. 435 Coast artillery corps : I - USA Voorschrift, Training Regulations, No. 435 Coast artillery corps : IV - USA Voorschrift, Training Regulations, No. 435 Coast artillery corps : III - USA Voorschrift, Training Regulations, No. 435 Field artillery : II - USA Voorschrift, Training Regulations, No. 430
