Imperial commander Wallenstein, unable to assist Maximilian of
Bavaria in defending Regensburg against the Swedish army, goes into
winter quarters in Bohemia.
Citation:
Editors. "Wallenstein goes into winter quarters in Bohemia".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=16069, accessed 20 May 2013.]