Field service pocket book. Part I : Signal codes - Engeland Voorschrift, 26/GS Publications/1194 Signal Corps : General provisions - USA Voorschrift, Army Regulations, No. 105-5 Signal training, Volume I, War and Training, 1937 - Engeland Voorschrift Signal communication / prepared under direction of the Chief Signal Officer - USA Basic Field Manual, FM 24-5 Reglement op de exercitiën der Veld- en Rijdende Artillerie : scholen te paard : batterijschool (eerste gedeelte) - Koninklijke Landmacht Voorschrift pamphlet RT procedure : RT for users - Engeland Voorschrift, 26/GS Publications/1388 Combined Operations. Signal Book II. 1944. (Short Title-COSB II). - Engeland Voorschrift 1944 Signal Training. Pamphlet no. 3. Maintenance of Signal Equipment in the Field. Part IV. Teleprinters 7B (WD). 1945 - Engeland Voorschrift