Air Raid Precautions. Handbook no.7. Anti-Gas Precautions for Merchant Shipping Advanced Gas Training, 1943 Regulations for P.A.D. Organization. 1944 - Engeland Voorschrift, 26/G.S. Publications/1231 Handleiding gasbescherming Experiments in anti-gas protection of houses / Home Office , Air raid precautions department Anti-gas protection of babies and young children / Home Office , Air raid precautions department Certification mark for filtration plants giving protection against poison gases used in war / Home Office, Air raid precautions department Nuttige wenken voor gasbescherming en luchtbescherming Handleiding voor het houden van theorieën over: "maatregelen tegen gasaanvallen" : (hoofdstuk VIII van het algemeen tactisch voorschrift) (H.T.M.G.) detection and identification of war gases : notes for the use of gas identification officers / Ministry of Home Security, Air raid precautions department Air Raid Precautions. Handbook no.3. Medical Treatment of Gas Casualties Advanced Gas Training, 1943
