Albert ROUSSEL (1869-1937). Sonata in D minor for piano and violin (Paris, Rouart, Lerolle & Cie, 1909); folio, half red cloth boards, upper cover preserved (a little faded). First edition, with part of violOn enclosed. Autograph letter signed on the title page: " to Mademoiselle Hélène Léon in respectful homage and in memory of the perfect performance of this work at the Conservatoire on 28 December 1916 Albert Roussel ".