Training Memorandum. no. 23. Royal Engineers. WO Code No. 8258 - Engeland Voorschrift 26/GS Trg Publications/1705 Manual of field engineering (Royal Engineers) : Roads - Engeland Voorschrift, 26/GS Publications/915 Corps of engineers : Duties and relations of engineer troops - USA Voorschrift, Training Regulations, No. 445-15 Manual of field engineering / by command of the Army Council - Engeland Voorschrift, 26/Manuals/1005 Aircraft engines - USA Voorschrift, Technical Manual, 1-405 Aircraft engines - USA Voorschrift, Technical Manual, 1-405 Electrical communication systems engineering - USA Voorschrift, Technical Manual, 11-486 Hercules JXD gasoline engine for scout cars : ordnance maintenance - USA Voorschrift, Technical Manual, 9-1706 Carriage of engineer equipment by air : Roller, sheepsfoot, allen, single drum with detachable feet in Dakota Aircraft - Engeland Voorschrift, 26/GS Publications/1501 Engineer training : Part I. - Training, Part II. - War - Engeland Voorschrift, 26/Manuals/141 Engineer training : Drill - Engeland Voorschrift, 26/Manuals/177 Corps of engineers / War Department : Combat regiment - The platoon and the company - USA Voorschrift, Training Regulations, No. 445-18