Editors. "Prussia renounces sovereignty over Neuchatel". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18340, accessed 25 May 2013.]
Prussia renounces its sovereignty over the Swiss Canton of Neuchatel, after the failure of a counter-revolutionary rising which attempted to restore its erstwhile status as a principality of the Prussian King.