Autograph letter : Cirey, to Claude Adrien Helvétius, 1739 Feb. 25.
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French writer. From the description of Autograph letter signed : Paris, to René Hérault, Lieutenant-general of the police in Paris, 1729 Apr. 19. (Unknown). WorldCat record id: 270872418 From the description of Autograph letter, dated : [n.p., Ferney?, n.d., ca. 1766?], to Gabriel Crammer, [n.d., ca. 1766?]. (Unknown). WorldCat record id: 270873849 Voltaire, playwright. William F. Fleming, translator. Tom Fontana, adaptor. From the description of Catil...
French philosopher. From the description of Autograph letter signed : Voré [Le Perche], to the Comtesse de Rochefort, 1751 Oct. 2. (Unknown). WorldCat record id: 270473883 Claude Adrien Helvetius, born 1715 in Paris, was a French philosopher. He studied at the College Louis-le Grand, and in 1738 received the lucrative post of farmer-general, which, however, he soon exchanged for the position of chamberlain to the queen. Tiring of the idle and dissipated life of the court, h...