Editors. "English troops are forced to raise the siege of Venlo". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14164, accessed 22 May 2013.]
English troops aiding Margaret of Austria, Regent of the Netherlands, in her struggle against the Duke of Guelders, are forced to raise the siege of Venlo.