Letter, 9 August 1925, Surrey, Sophie Weisse to Mary Grierson. Requesting information about the parts to Tovey's symphony for a performance in Dresden. Holograph signed.

Letter, [n.d], Sophie Weisse to F. W. Kelly. Arranging to perform a Brahms work and suggesting that Kelly should compose a work for Tovey. Holograph incomplete.

Letter, 21 January 1892, Windsor, Sophie Weisse to Donald Tovey. Advising Tovey to work on the 'Airs', wishing Tovey well and advice on preserving his health. Typescript copy.

Letter, 20 October 1917, Robert Trevelyan to Sophie Weisse. Reassuring Miss. Weisse that Trevelyan has Tovey's best interests at heart and is keen for Tovey to finish the ' Bride of Dionysus'. Holograph in pencil.

Letter, 20 January 1894, London, Hubert C. Parry to Sophie Weisse. Attempting to arrange a time to look over Tovey's symphony. Holograph signed.

Letter, 27 February 1894, Gloucester, Hubert Parry to Sophie Weisse. Criticism of Tovey's composition and comment on Tovey's ability and talent. Holograph signed.

Letter, 1 October 1894, Oxford, Donald Tovey to Sophie Weisse. Talk of Tovey's finances, Tovey's plans for vacation work and news of Tovey's composition work. Photocopy of Holograph signed.

Letter, [n.d], Worplesdon, Donald Tovey to Sophie Weisse. Describing Parry's view of Tovey's composition, and the revisions Tovey must make. Photocopy of Holograph signed.

Letter, 14 April 1893, Moffat, Donald Tovey to Sophie Weisse. News of Tovey's writing and composing at Hartree. Photocopy of Holograph signed.

Letter, 20 January 1893, Surrey, Donald Tovey to Sophie Weisse. Outlining Parry's comments on Tovey's composition. Photocopy of a typescript copy.