Voorschrift geheime berichtenwisseling voor de Koninklijke Landmacht - Koninklijke Landmacht Voorschrift no. 54 Signal training. Vol. II : Line telephony and telegraphy - Engeland Voorschrift, 26/Manuals/1578 Signal training. Pamphlet No. 1: Construction and maintenance of lines : Field cables - Engeland Voorschrift, 26/GS Publications/652 Army/air operations. Pamphlet No. 3: Air reconnaissance : General - Engeland Voorschrift, 26/GS Trg Publications/1621 Signal Communications Doctrine - USA Voorschrift, Field Manual, 100-11 Air corps : Army railways communications system - USA Voorschrift, Army Regulations, No. 95-200 Methods of inter-communication (other than visual) employed in forward areas - Engeland Voorschrift, 40/War Office/7235 Line telegraphy and telephony (lines) - Engeland Voorschrift, 40/W.O./7320 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 : Visual Signalling - Engeland Voorschrift. 26/GS Publications/1059
