Editors. "John Casimir leads a German Protestant army to support the Huguenots". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15066, accessed 04 December 2013.]
An army of German Protestants, led by John Casimir, sets off to France to fight in support of the Huguenot population there.