Keely, Pat (Undefined) Loxley Brothers Ltd, London and Sheffield (printer) Ministry of Labour and National Service (publisher/sponsor) National Safety First Association (Industrial Accident Prevention Department) (publisher/sponsor)
Keely, Pat (Undefined) Loxley Brothers Ltd, London and Sheffield (printer) Ministry of Labour and National Service (publisher/sponsor) National Safety First Association (Industrial Accident Prevention Department) (publisher/sponsor)
Unknown (Undefined) Johnson, Riddle and Co Ltd, London (printer) Board of Trade (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)
Unknown (Undefined) Johnson, Riddle and Co Ltd, London (printer) Board of Trade (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)
Unknown (Undefined) Johnson, Riddle and Co Ltd, London (printer) Board of Trade (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)
Unknown (Undefined) Johnson, Riddle and Co Ltd, London (printer) Board of Trade (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)
Unknown (Undefined) Johnson, Riddle and Co Ltd, London (printer) Board of Trade (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)
Unknown (Undefined) Johnson, Riddle and Co Ltd, London (printer) Board of Trade (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)
Rouffé (Undefined) Coquemer Imprimerie, Paris (printer) Young Men's Christian Association [YMCA] (publisher/sponsor) Union Franco-Américaine (publisher/sponsor)
Unknown (Undefined) Multi Machine Plates Ltd, London EC4 (printer) Board of Trade (publisher/sponsor) Ministry of Information (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)