AWM81 41 PART 2 - [British Ministry of Home Security:] Home Security Circulars [on Civil Defence matters in Great Britain and issued to local authorities in evacuation areas in England, Scotland and Wales] 26 Mar 1941 - 23 Jul 1941
Official Record AWM2022.1750.115 Second World War, 1939-1945AWM81 41 PART 2 - [British Ministry of Home Security:] Home Security Circulars [on Civil Defence matters in Great Britain and issued to local authorities in evacuation areas in England, Scotland and W