Editors. "Duke of Lorraine tries to connect Franche-Comté and Spanish Netherlands". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=16079, accessed 06 December 2013.]
Charles IV, Duke of Lorraine, calls in Spanish and imperialist forces to assist him in opening a route between the Spanish Netherlands from Franche-Comté.