Ernest GUIRAUD (1837-1892). Autograph musical manuscript signed, Airs de ballet du Kobold, [1870]; 2 1/2 pages in-fol. Le Kobold, opera-ballet in one act by Guiraud, lyrics by Charles Nuitter and Louis Gallet, premiered on July 26, 1870 at the Opéra-Comique. Piano reduction of the first two ballet arias: - A. Entrée des Tsiganes (Andante march movement); - B. Pas d'ensemble (Allegretto). Only the title of the third tune is mentioned: C. Pas de la bonne aventure (the manuscript is kept at the BnF). The publisher Georges Hartmann decided not to publish Le Kobold; the piano reduction of the overture was published in La Chronique musicale on January 1, 1875. About thirty letters (mostly L.A.S.) by Édouard Blau, Alfred Boschot, Albert Carré (4), Gaby Casadesus, Marcel Ciampi, Yvonne Desportes, Léonce Detroyat, Jacques Février, Louis Gallet (excerpt from Le Roi de Lahore), Ruggero Gerlin, Jacques Hébertot (5 to Walther and Enrich Straram), Eric Heidsieck, Monique de La Bruchollerie, Hippolyte Lionnet, Émile Paladilhe, Simone Plé, Victor Roger (autographed photo), Samuel Rousseau (to Dandelot), Victor Wilder. And 5 caricatures by André Lebon (Bach, Bizet, José Bruyr, Antoine Goléa, Mozart).