Signal corps : Wire axis installation and maintenance within the division - USA Voorschrift, Training Regulations, No. 165-5 Signal Training (All Arms) - Engeland Voorschrift, 26/Manuals/997 Signal training. Vol. II : Wireless - Engeland Voorschrift, 26/Manuals/1577 Signal training. Pamphlet No. 1: Construction and maintenance of lines : Principles of construction - Engeland Voorschrift, 26/GS Pubns/387 Signal training : Construction and maintenance of lines Signal training : Visual Signalling - Engeland Voorschrift. 26/GS Publications/1059 Signal Corps : Training films - USA Voorschrift, Army Regulations, No. 105-260 Signal training, Volume I, War and Training, 1937 - Engeland Voorschrift Signal training : Training Signal training. Pamphlet No. 7: Training : Training on long sea voyages - Engeland Voorschrift, 26/GS Publications/941 Signal training. Vol. III : Wireless station maintenance and fault finding, and associated vehicle suppression systems - Engeland Voorschrift, 26/GS Publications/562 Signal Training. (All Arms). Pamphlet no.5. Procedure for Morse Telegraphy, Line Telephony and Visual Signalering. WO 7040
