Editors. "Northumberland surrenders at Cambridge". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14856, accessed 20 May 2013.]
The Duke of Northumberland, who had led the campaign to make Lady Jane Grey the successor to King Edward VI, surrenders at Cambridge, having failed in his attempt.