Editors. "Calvinists force the Elector of Trier to leave his Archbishopric". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14969, accessed 21 May 2013.]
John von der Leyen, Archbishop and Elector of Trier, is driven from his see by Calvinists attempting to establish a Reformed Church in the city.