10 Downing Street - Lord Grenville - Biography of William Wyndam Grenville, Lord Grenville, Prime Minister 1806-7. - http://www.pm.gov.uk/output/Page160.asp
Lord Grenville - Biography and commentary with links to related articles. - http://www.dialspace.dial.pipex.com/town/terrace/adw03/pms/ldgren.htm
William Wyndham Grenville - Fact file and short biography. Includes a portrait and a list of further reading. - http://www.napoleon.org/en/reading_room/biographies/files/William_Wyndham_Grenville.asp