circular / a.r.p. department Civilian duty respirators fitted with microphone attachments / Home Office, Air raid precautions department protection of foodstuffs against poison gas / issued by the Home Office, Air Raid Precautions Department Maatregelen tegen gasgevaar - Koninklijke Landmacht Voorschrift no. 724 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 Handleiding voor het gebruik van de "Instructiedoos" voor herkenning strijdgassen, cpl. codenummer 57.56040. IK 5-133 Air Raid Precautions. Handbook no.3. Medical Treatment of Gas Casualties Advanced Gas Training, 1943 Gas Officer's Handbook, WO 8630 Veldvademecum voor voetuigcommandanten van verkenningseenheden. Magazijn-Inventaris der Marine. Afd. C : Gasbeschermers met toebehoren
