About “Boomerang” desk designed by Maurice Calka for Leleu. Marked: "CREATION M. CALKA EDITION LELEU DESHAYS" This desk was exhibited in the museum show "Leleu 50 ans de mobilier et de de´coration, 1920-1970" held in 2007 and 2008 at the Muse´e des Anne´es 30, Boulogne-Billancourt, Paris, France and at La Piscine - Muse´e Art et Industrie Andre´ Diligent, in Roubaix, Lille, France. Bibliography: Illustrated in the catalogue of the two aforementioned exhibitions, Leleu 50 ans de mobilier et de de´coration, 1920-1970, Somogy Editions d'Art, Paris, 2007, p. 150 & 151. This desk is also illustrated in: Jules et Andre´ Leleu by Viviane Jutheau, E´ditions Vecteurs, p. 164 & 165. L'Utopie du tout Plastique, 1960 / 1973, Editions Fondation pour l'Architecture, p. 78.