[CHÂTEAU DE LA MUETTE] Manufacture ÉRARD. 3 prints, 1868-1895. Prospectus: A List of Patent Piano Fortes Manufactured by Sebastian & Pierre Érard Makers by Special appointment to her Majesty and Their Royal Highnesses, the Prince & Princess of Wales, for the London office, 18 Great Marlborough Street, January 1868, with list of pianos and selling prices (in-fol.). 2 concert programs: first and second sessions of chamber music given by Georges Stahl (violin) and Gaston Courras (cello) in the Petite Salle Érard at 13, rue du Mail in Paris, February 27 and April 6, 1895 (in-8). A small folding catalog of the Érard pianos of Guichard & Cie, Successors at 13, rue du Mail is attached.