Editors. "Battle of Prague: Frederick II invades Bohemia". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=17708, accessed 24 May 2013.]
In the Battle of Prague, Frederick II of Prussia, who has invaded Bohemia, defeats Charles of Lorraine (brother to Holy Roman Emperor Francis I) but decides against attacking the city itself.