Gun Drill (R.A. (A.A). Units) for 20-mm. Hispano, Polsten, and Oerlikon Machine Guns. (Provisional). WO 7399 - Engeland Voorschrift 26/GS Publications/1150 WO 7399 Gun Drill for Q.F. 3.7-inch Mark I, Howitzer on Carriage 3.7 inch, Mark 2P - Engeland Voorschrift 26/GS Publications/1467 WO 7981 Gun Drill for 40-mm. A.A. Gun on S.P. Mounting - Engeland Voorschrift 26/GS Publications/1323 WO 7402 Gun Drill for Q.F. 3.7 inch, Mark II or III Gun, on Mounting Q.F. 3.7 inch. A.A. Mark II. Land Service. - Engeland Voorschrift 26/GS … Infantry Division in Battle. 1950. - Engeland Voorschrift, WO Code No/8476 Netting Dril for Wireless Set. no. 18, WO 7549 - Engeland Voorschrift 21/GS Publications/1215 Netting Dril for Wireless Set. no. 19, WO 7550 - Engeland Voorschrift 26/GS Publications/1216 Periodical Notes of the German Army. no. 36. Handling and Fighting of the German Tank Regiment and Tank Battalion - Engeland Voorschrift 26/G.S./Publications/... WO 8031 Principles of Training. Training Regulations, 1934. WO 7017 - Engeland Voorschrift 26/G.S. Publications/1549 Training Memorandum. no. 2. Royal Engineers. 1942 - Engeland Voorschrift 26/GS Publications/737 Training Memorandum. no. 3. Royal Engineers. 1942 - Engeland Voorschrift 26/GS Publications/837 Training Memorandum. no. 4. Royal Engineers. 1943 - Engeland Voorschrift 26/GS Publications/890