Editors. "Control of the imperial army moves from Wallenstein to Count Tilly". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=16011, accessed 24 April 2014.]
Holy Roman Emperor Ferdinand II dismisses Wallenstein at the urging of the German princes and electors, and Count Tilly takes command of his army.