Jacques DERRIDA (1930-2004), philosopher. Typed letter signed to Marcel Spada (1923-2014), Director of the École des Hautes Études de Gand. 1 p. in-4 on École Normale Supérieure letterhead. Paris, 18 January 1970. Envelope. Organisation of a philosophy seminar. "For the Institute, would a conference entitled "L'Espace de la bibliothèque" be suitable? As for the philosophy seminar, I would suggest the following title: "Philosophy and Linguistics" (subtitle: "The Copula Supplement"). It would be a critical reading of Benveniste's text, Catégories de pensée et catégories de langue, in Problèmes de linguistique générale, Gallimard p. 63, which I would ask my listeners to read before the session(s) [...]'. Rare.