Editors. "The Duke of Mercoeur in Brittany sues for terms from Henry IV". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15522, accessed 19 April 2014.]
In Brittany, the Duke of Mercoeur, ex-leader of the Catholic League, pleads to negotiate a peace with Henry IV of France.