Unknown (Undefined) Lowe and Brydone Printers Ltd, London NW10 (printer) Her Majesty's Stationery Office (publisher/sponsor) Ministry of Information (publisher/sponsor)
National Film Board of Canada (Production sponsor) Canadian Government Motion Picture Bureau (Production company) Davidson, J D (Production individual) Fraser, Donald (Production individual) Lane, W H (Production individual) Quick, C J (Production individual)