Editors. "Charles V meets the German Diet at Regensburg". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14484, accessed 23 May 2013.]
Charles V meets with the German Diet at Regensburg. He comes with demands for them to supply funds for a military campaign again the Ottoman Turks.