Napoléon et Berthier : catalogue of autograph letters, manuscripts, historical documents and maps...the property of the descendants of Louis-Alexandre Berthier (1753-1815), Prince of Wagram, sovereign-prince of Neufchatel, marshal of the French Empire: [sale, by Messrs Sotheby and Co, 1st of March 1938]
G.D. Hobson, F.W. Warre, C.V. Pilkington, auctioneers | Kitchen and Barrat | 1938