Mercenary soldiers in the service of Archduke Leopold of Austria
lay waste to vast swathes of Upper Austria and advance on Prague.
Citation:
Editors. "Leopold's mercenaries devastate Upper Austria and move towards Prague".
The Literary Encyclopedia. First published 01 February 2011
[http://litencyc.com/php/stopics.php?rec=true&UID=15685, accessed 20 May 2013.]