François III de LA VALETTE-CORMUSSON (1590–1644) Bishop of Vabres. Letter, Saint-Néré, January 19, 1637, to M. de La Croix, custodian of the viscountcy of Creyssel; 1 page, quarto size, addressed on the verso with 2 small red wax seals. He requests a blank power of attorney for himself and the consuls of Creyssel in preparation for the Rouergue Estates, convened to discuss the levy for the maintenance of the Guyenne regiment.