(i) Autograph letters. One (dated 7 May 1853) from B. Molique to Ella; one (dated 1853) possibly from Ernst to Ella; one (dated 1870) from Paquis to Ella. Also, the text of a letter (dated 21 March 1875) from Vieuxtemps to Ella, as printed in the Record of the Musical Union; (ii) Unidentified photograph (possibly of Paquis); (iii) Engraving of Ernst, Vieuxtemps and Molique, taken from the Record of the Musical Union (1854). With annotations about Ernst, Molique, Vieuxtemps and Paquis by Ella on reverse.