Pierre deSégur, Viscount of Ségur (1756-1805), writer and commissary of Paris, second son of Philippe Henri, part of Marquessate Octave, comte deSégur (1779-1818)
Charles-Étienne Collignon [fr], former Orleanist deputy (retired in July 1879); AnatoledeSégur [fr] (retired in July 1879); Marie René Edmond David (retired in July
critique : suivie du catalogue de l'œuvre, Paris: Fayard (2003) ISBN 2213616191. Lesure, François: Catalogue de l'œuvre de Claude Debussy, Genève: Minkoff