Letter, 1 February 1909, Hertfordshire Donald Tovey to Sophie Weisse. Concerning Percy Such and Hausman's relationship and a series of concerts. Holograph signed.

Letter, [1910], Donald Tovey to Sophie Weisse. Outlining a dispute with Speyer over the Chelsea concerts and the Classical concert society. Holograph signed in pencil.

Letter, 30 January 1912, London, William Strecker to Sophie Weisse. Advising Miss. Weisse to inform Tovey that she is paying for his works to be published, discussing copyright fee and explaining that the Tovey's works were published because of their artistic merit rather than a business point of view. Typescript signed.

Letter, 17 February 1917, London, William Strecker to Sophie Weisse. Discussing the advertisement of the forthcoming Chelsea concert series, and news of a biographical sketch of Tovey's to appear in the ' Musical Record'. Holograph signed.

Letter, 9 March 1912, London, William Strecker to Sophie Weisse. Enclosing the proofs of the prospectus for the Chelsea concerts, and discussion of the printing of the programmes. Typescript signed.

Letter, 20 April 1912, London, William Strecker to Sophie Weisse news of how many tickets have been sold for Tovey's Chelsea concerts. Holograph signed.

Letter, 1 July 1912, London, William Strecker to Sophie Weisse. Concerning a mistake over concert dates, news of Godley and asking Miss. Weisse what should be done with the Ms. of Ariadne. Typescript signed.