Mendoza (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)
Unknown (Undefined) Survey Co, Royal Engineers, British Salonika Force (printer) Survey Co, Royal Engineers, British Salonika Force (publisher/sponsor)
O M (Undefined) Fosh and Cross Ltd, London (printer) Her Majesty's Stationery Office (publisher/sponsor) Ministry of Aircraft Production (publisher/sponsor)
O M (Undefined) Fosh and Cross Ltd, London (printer) Her Majesty's Stationery Office (publisher/sponsor) Ministry of Aircraft Production (publisher/sponsor)
