At the Diet of Ratisbon, the Archduke Matthias, who is there
representing his brother Emperor Rudolf II, faces opposition from
the German Protestant princes, who resent what they see as
excessive demands for imperial taxation.
Citation:
Editors. "Protestant princes at the Diet of Ratisbon oppose imperial tax demands".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15526, accessed 22 May 2013.]