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 Artillery training volume III field gunnery, pamphlet no. 6 : programme shoots (barrages and concentrations) - Engeland Voorschrift, 26/GS Publications/827 Camouflage