Editors. "Anglo-Scottish truce is extended to the lives of Henry VII and James IV". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=13986, accessed 22 December 2013.]
The Anglo-Scottish truce of Ayton is extended, to encompass the lifetimes of Henry VII and James IV.