French cardinal; archbishop of Besancon. Author of "Devoirs Du Sacerdoce ou Traité de la Dignité, de la Perfection, des Obligations... du Prêtre Catholique"
 
ALS - Autograph Letter Signed, two sides of folded sheet, August 1846.  Addressed to Monsieur Drose on church and state affairs.  Untranslated French.  Merits further research.