Manual of military engineering / General Staff. War Office - Engeland Voorschrift, 40/WO/72 Military engineering : Roads / Army Council - Engeland Voorschrift, 26/Manuals/1061 Military engineering : Railway bridging : Supplement No. 4: Erection of light and heavy steel derricks / Army Council. Volume VIII: Transportation - Engeland Voorschrift, … Military engineering : Railway bridging : Supplement No. 2A: Additional notes on light and standard steel trestles / Army Council. Volume VIII: Transportation - Engeland … Manual of field engineering (Royal Engineers) : Roads - Engeland Voorschrift, 26/GS Publications/915 Military engineering : Railways / Army Council - Engeland Voorschrift, 26/Manuals/103 Military engineering : Railway bridging : Supplement No. 1A: Additional notes for erection and launching drill - unit construction railway bridge / Army Council. Volume … Military engineering : Roads, airfields and mechanical equipment Part I: Roads - Engeland Voorschrift, 26/GS Publications/927