Editors. "Cesare Borgia puts down a revolt of the Orsini with French help". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14066, accessed 25 May 2013.]
French troops help Cesare Borgia to put down a revolt of the Orsini and his condottieri (mercenary soldiers).