Royal Signals Pocket Book. Part V. Line Data. WO 755 - Engeland Voorschrift 26/GS Publications/1421 Signal Training. (All Arms). Pamphlet no.5. Procedure for Morse Telegraphy, Line Telephony and Visual Signalering. WO 7040 Signal Training. (All Arms). Pamphlet no.5. Signal Procedure. Part II. Procedure for Morse Telegraphy, Line Telephony and Visual Signalering, WO 7040 Pamphlet no. 42. Combined Operations. Training at Home Stations. WO 7857 - Engeland Voorschrift 26/G.S. Publications/926 Training Memorandum. no. 4. Royal Signals. WO 7556 Signal Training. Pamphlet no. 18. Volume III. Aerial Coupling Equipment "B". WO 7566 Signal Training. Pamphlet no.26. Volume III. Switchboard U.C. 10-Line and 6 Line. WO 7567 Signal Training Pamphlet no.1. Maintenance of Signal Equipment in the Field. Volume III. General Principles of Maintenance. WO 8505 Signal Training. Pamphlet no. 1. Volume no. 1. Signal Organization and Tactics.The Higher Organization of Signals. WO 8506 Signal Training. (All Arms). Pamphlet no.9. Training. WO 7068 Signal Training. (All Arms). Pamphlet no.2. Visual Signalling, 1942. WO 7211 Engineer Field Manual. Military Engineering (Tentative) Part One. Communications