Field artillery training, 1906 : Amendments Field artillery training : 1914 Artillery training : Drill 1920 (Provisional) / War Office Artillery training : Gunnery 1920 (Provisional) / War Office Artillery training : Drill / War Office Artillery training : Organization and employment of artillery in war : Provisional / War Office Instructions for practice : Siege artillery Air Raid Precautions. Handbook no.1. Personal Protection Against Gas Air Raid Precautions. Handbook no.2. First Aid and Nursing for Gas Casualties Catalogue of War Office Publications. (Authorized Scales of Issue and Code Numbers. Part I. Military. WO 1703 Identification list for ordnance, B.L. 5.5-inch, Mark III and ordnance, B.L. 4.5.-inch mark II on carriage, 5.5-inch or 4.5-inch gun, mark I Identification list for ordnance, S.B. 4.2-inch mortar mark 2 on mounting, 4.2 inch S.B.mortar mark 3 also plate, base, mobile 4.2-inch s.b. mortar, mark 1