a.r.p. department circular Civil defence act / Home Office, Air raid precautions department Artillery Training. Volume I General Tactical Employment : Pamphlet no. 11. Air Defence - Engeland Voorschrift 26/GS Publications/1014 WO 7258 Regulations for P.A.D. Organization. 1944 - Engeland Voorschrift, 26/G.S. Publications/1231 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
