Editors. "Spanish army under the Duke of Alva invades Navarre and occupies it". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14175, accessed 21 April 2014.]
A Spanish army under the command of the Duke of Alva invades and occupies the kingdom of Navarre.