Editors. "Henry Campbell-Bannerman becomes Commons leader of Liberals". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=19276, accessed 19 June 2013.]
On William Vernon Harcourt's resignation from the position of leader of the Liberal Party in the House of Commons, he is succeeded by Henry Campbell-Bannerman. He is to lead the party for almost a decade, becoming Prime Minister in 1905.