10 Downing Street: Past Prime Ministers: The official site of the Prime Minister's Office provides profiles of all prime ministers since Robert Walpole in 1721, including portraits from the Government Art Collection

BBC News: The Queen Mother: Links to articles about the Queen Mother and latest news stories

Bercow, Rt Hon John: Official site of the Speaker of the House of Commons and MP for Buckingham. Includes constituency information, news, speeches and details of written questions to ministers

Royal Government: HM Queen Elizabeth The Queen Mother: Official site of the British monarchy. Includes press releases, an on-line condolence book and a history of her life