FRENCH ARTISTS -- 19th/20th CENTURY. Four autograph letters signed, comprising Jean-Baptiste-Camille COROT (to Amédée Alluaud [at Limoges], Paris, 31 August 1870, confirming the arrival of some paintings and a cheque for a sale, but having forgotten the purchaser's name, one page, 8vo, autograph envelope); Honoré DAUMIER (to Théodore Rousseau ['artiste peintre A Barbyson pres Fontainebleau'], n.p. [Paris], n.d. [12 September 1861], proposing to visit him for several days, one page, 8vo, address leaf); Eugène BOUDIN (to 'Louis' [his brother], Paris, 31 May 1885, enclosing a money order and on 'Pris en ébulition pour les obsèques de V. Hugo', with a postscript about their mother's grave, 1¼ pages, 8vo, blank); Pierre BONNARD (to his father, rue de Parme, 17 February 1888, on his plans for using his free time [to study painting] as his new job allows him to do: 'Hors du bureau il n'y a plus aucune responsabilité et il n'y a donc pas de danger que mes goûts d'art portent préjudice à ma situation', 2 pages, 8vo [3 small splits in edges]). Bonnard's father wished him to follow a conventional career in law, but he studied in his spare time at the Académie Julian, a liberal alternative to the Ecole des Beaux Arts, where he became a friend of Vuillard and Roussel, and was influenced by Gauguin and by Japanese art. In 1889, the year in which he failed his Civil Service examinations, he won first prize for a poster advertising champagne. (4)