Signal Training. Pamphlet no. 7. Training. Part VII. Royal Signals Courses. 1945 - Engeland Voorschrift Signal Training. Pamphlet no.8. Signal Office Organization and Procedure. Part IV. Procedure for Teleprinter Operating. 1945 - Engeland Voorschrift Signal Training. (All Arms) Pamphlet no. 5. Signal Procedure. Part 1. Procedure for Radio Telephony. 1943 - Engeland Voorschrift
