ROMAINS (Jules). Théâtre. Paris: Nouvelle Revue Française, [1924-1926]. - 4 volumes in-8, 184 x 117 : 249 pp. with 3 last blank pages, printed cover ; 227 pp. with 2 pages, printed cover ; 215 pp. with 3 last blank pages ; 200 pp. with 3 pages, printed cover. Half burgundy morocco with corners, gilt filets, spine ribbed, gilt head, untrimmed, cover and spine preserved (H. Alix). Collective first edition of the first four volumes of Jules Romains' theater. Includes: I. Knock ou le triomphe de la médecine. - M. Le Trouhadec seized by debauchery; II. The Marriage of La Trouhadec. - The Scintillating; III. Cromedeyre-Le-Vieil. - Amédée and the gentlemen in line; IV. The Dictator. - Démétrios. Beautiful set uniformly bound by Alix. Each volume is one of the numbered copies on Lafuma-Navarre vellum paper. The first volume is enriched with an autograph letter signed by the author : " à Monsieur Jean-Maurice Cazaux // très cordialement // Jules Romains ", and an autograph letter signed by the latter addressed to Lucien Dubech, two pages in-8, dated December 23 (1930), about an article on his play Boën ou la possession des biens. The second volume includes a signed autograph mailing from Romains to novelist and playwright Max Fischer (1880-1957): to Max Fischer // his true friend // Jules Romains Copies perfectly preserved. Provenance: Jean-Maurice Cazaux, with dispatch from the author in the first volume. - André and Chantal Cazaux, with bookplate in the first volume. - Max Fischer, with a letter from the author in the second volume.