Letter, 16 March 1952, Paris, Janet Tessier du Cros to Mary Grierson. Praising Grierson's biography of Tovey, and her diplomatic style of writing and describing Tessier du Cros' musical training. Typescript signed, with stamped envelope, for Tessier du Cros see also Janet Grierson.

Letter, [n.d], Surrey, Sophie Weisse to F. W Kelly. Advising Kelly not to strain his hands when practising. Holograph signed.

Letter, 24 September 1892, Moffat, Sophie Weisse to Donald Tovey. Advising Tovey on what to work at and expressing anxiety at Tovey' lack of piano practise. Typescript copy.

Letter, 18 October 1893, Surrey, Sophie Weisse to Donald Tovey. Advising Donald to play well in a group that are weak. Typescript copy.

Letter, 29 October 1893, Surrey, Sophie Weisse to Donald Tovey. Covering note for some cod-liver oil, and advising Donald to work daily. Typescript copy.

Letter, 11 November 1900, Surrey, Sophie Weisse to Donald Tovey. Encouraging Tovey to practise his piano playing and develop a depth of tone and shades. Holograph signed.

Letter, 27 March 1908, Hertfordshire, Antonia Speyer to Sophie Weisse. Expressing gratitude for Miss. Weisse's kindness and Tovey's encouragement musically. Holograph signed.

Letter, 9 March [n.y], Eton, E Lyttelton to Sophie Weisse. Thanking Miss. Weisse for her letter and news that Lyttelton wishes to sing for Miss. Weisse and Tovey. Holograph signed.

Letter, 24 October 1915, Windsor, F. Warre Cornish to Sophie Weisse. News of F. W. Cornish, praising the playing of Tovey and Henschel. Holograph signed.

Letter, 25 November 1908, Oxford, Harold H. Joachim to Sophie Weisse. Thanking Miss. Weisse and Tovey their kindness, and allowing Harold Joachim to hear wonderful music. Holograph signed.