Mendoza (Undefined) Rowntree, Harry (Undefined) Loxley Brothers Ltd, London and Sheffield (printer) Ministry of Labour and National Service (publisher/sponsor) Royal Society For The Prevention Of Accidents (publisher/sponsor)
Gilroy, John M (Undefined) Greycaine Ltd, Watford and London (printer) Ministry of Supply (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)
Grimes (Undefined) Fosh and Cross Ltd, London (printer) National Savings Committee (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)
Gilroy, John M (Undefined) J Weiner Ltd, 71/5 New Oxford Street, London WC1 (printer) Ministry of Supply (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)
Gilroy, John M (Undefined) Greycaine Ltd, Watford and London (printer) Ministry of Supply (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)
Gilroy, John M (Undefined) J Weiner Ltd, 71/5 New Oxford Street, London WC1 (printer) Ministry of Supply (publisher/sponsor) Her Majesty's Stationery Office (publisher/sponsor)