Editors. "Sir William Stanley is executed". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=13938, accessed 23 May 2013.]
Sir William Stanley, who had previously switched sides from Yorkist to Lancastrian in order to support Henry Turor's claim to be King of England, was convicted of complicity in a conspiracy to place the pretender Perkin Warbeck on the throne. On 2 October 1495 he was executed for treason.