Editors. "Peasants' Revolts in the Black Forest and Wurttemberg". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14202, accessed 21 December 2013.]
Peasants' Revolts in the Black Forest and Wurttemberg, which continued until the following year. These revolts came after repeated years of famine. They were not solely spontaneous, being rooted in longstanding conspiracies, several of which used the 'union shoe' as their icon of oppression.