Copies of fifteen letters, including two unpublished from Voltaire to Karl Eugen von Württemberg, Herzog von Württemberg, dated 27 (?) October 1772 and 25 May 1773, and of D19334, from Voltaire to Conseil de régence de Montbéliard, dated 15 February 1775. There are also letters from the compte de Tressan, Pauline de Grignan, Charles Palissot de Montenoy, Mme Roland, Jean-François de Saint-Lambert, Pierre Laurent de Belloy, Frederick II of Prussia, Eliszbeth Christine princess of Brunswick-Wolfenbüttel, Anne-Amélie of Prussia, Maria Federovna empress dowarger, Princess Augusta of England, Claude Adrien Helvétius.