His Majesty's Stationary Office (HMSO) Catalogue - Unpublished Items - Category 'Shelters for Air Raid Protections'

Name	Air Raid Precautions. Galvanised corrugated steel shelters. Variations on the standard unit. A.R.P. (0) 13. [2/40]
Category	Shelters for Air Raid Protections
Issued By	Home Office
Issued For	none
Published	Feb 1940
Published by	Printed by His Majesty's Stationary Office

Name	Directions for the erection and sinking of the galvanised corrugated steel shelter (Standard and Small), Feb 1939, Air Raid Precautions Dept.
Category	Shelters for Air Raid Protections
Issued By	Home Office
Issued For	none
Published	Mar 1939
Published by	Printed by His Majesty's Stationary Office

Name	Directions for the erection and sinking of the galvanised corrugated steel shelter (Standard and Small), Feb 1939. Air Raid Precautions Dept. Reprint. [11/40]
Category	Shelters for Air Raid Protections
Issued By	Home Office
Issued For	none
Published	Nov 1940
Published by	Printed by His Majesty's Stationary Office

Name	Shelters for Air Raid Protections
Description	Description TBD