Source et copyright
Source: Parliamentary Debates. House of Commons. Official Report. Fifth session of the Thirty-Eight Parliament of the United Kingdom of Great Britain and Northern Ireland. 12 George VI. Dir. of publ. Hansard. 1948-1949, No 464; fifth series. London: Her Majesty's Stationery Office.
Copyright: Crown copyright is reproduced with the permission of the Controller of Her Majesty's Stationery Office and the Queen's Printer for Scotland