Army Air Operations Pamphlet no.1. General Principles and Organization. WO 8036 - Engeland Voorschrift 26/GS Publications/1127 Army Air Operations Pamphlet no.2. Direct Support. WO 8037 - Engeland Voorschrift 26/GS Publications/1181 Instruction for Armourers 1931, Supplement no.1. Pistols, Revolvers, no.2, Mark I, (.38 inch, with 5 inch barrel. WO 679 - Engeland Voorschrift 26/Publications/3568 Handbook of the Gun, Machine, Polsten, 20 mm. MK. I. WO 808 - Engeland Voorschrift 26/Manuals/3351 Principles and Practice op for Officers Concerned with the Organization of Training. Good Instruction. - Engeland Voorschrift 26/GS. Trg Publications/1638 WO 8163 Working Instructions. Telephone Set D MK V. WO 1529 - Engeland Voorschrift Working Instructions. Telephone Sets F. MKS I, I* & II. WO 1527 - Engeland Voorschrift Pamphlet. (General). no. 1. Combined Operations. WO 7822 - Engeland Voorschrift Basic and Battle Physical Training. Part II. Basis Physical Training Tables and Basic Physical Effciency Tests - Engeland Voorschrift 26/GS Publications/1342 Basic aand Battle Physical Training. Part VIII. Swimming, life Saving, and Improvised, Aids to Crossing Water Obstacles - Engeland Voorschrift 26/GS Publications/1425 Basic and Battle Physical Training Part IX. Boxin and Wrestling - Engeland Voorschrift 26/GS Publications/1440 Army Air Operations Pamphlet. no.4, (Chapter 3), supplement no.3. Carriage of Artillery Equipment by Air. Section 1, Q.F. 25 Ponder, Mark 2 Gun on Carriage …