Editors. "Philip II opens peace negotiations with Henry IV". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15525, accessed 18 May 2013.]
Philip II of Spain, who has been at war with Henry IV since 1590 through support of the Catholic League, now opens peace negotiations with the French king.