Dropped and pick-up airplane messages - USA Voorschrift, Training Regulations, No. 160-6 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 Signal communication for all arms and services - USA Voorschrift, Training Regulations, No. 160-5 Infantry Training : Ranges and courses : Pamphlet No. 32: Range construction and regulations (all arms) - Engeland Voorschrift, 26/GS Trg Publications/2355 List of publications for training : field manuals, technical manuals, technical bulletins, War Department lubrication guides, mobilization regulations, mobilization training programs, War Department pamphlets - … Corps of engineers / War Department : Communications - Military roads - USA Voorschrift, Training Regulations, No. 445-170 Corps of engineers / War Department : Combat regiment - The battalion and regiment - USA Voorschrift, Training Regulations, No. 445-19