Battle over Britain : a history of the German air assaults on Great Britain, 1917-18 and July-December 1940 : and of the development of Britain's … Regulations for P.A.D. Organization. 1944 - Engeland Voorschrift, 26/G.S. Publications/1231 Artillery Training. Volume I General Tactical Employment : Pamphlet no. 11. Air Defence - Engeland Voorschrift 26/GS Publications/1014 WO 7258 jane's yearbooks Jane's land-based air defence / ed. by Tony Cullen, Christopher F. Foss Deci': air defence boven Middellandse Zee / door Joris Janssen Lok
