Letter, 8 October 1939, Edinburgh, Mabel A. Lumsden to Robert Trevelyan. Concerning the props of ' The Bride of Dionysus', and a note on the war. Holograph signed.

Letter, 15 May 1929, Edinburgh, Mona Benson to Robert C. Trevelyan. Expressing a feeling of privilege to have been involved in ' The Bride of Dionysus'. Holograph signed.

Letter, 14 June 1931, Edinburgh, Mona Benson to Robert Trevelyan. Agreeing to perform in The Bride of Dionysus, and advice for the production of the work, especially staffing. Holograph signed.

Letter, 28 November 1945, London, Norman Peterkin to Robert Trevelyan. Expressing Hubert Foss's worries about printing Tovey's essay, 'Music in German Culture', 1914, because of its views on the war and Nazism. Typescript signed.

Letter, 14 December 1945, London, Norman Peterkin to Robert Trevelyan. Concerning material for a biography of Tovey and a meeting with Peterkin, Grierson, Guthrie, Foss and John Tovey. Typescript signed.

Letter, 27 January 1945, London, Norman Peterkin to Robert Trevelyan. Concerning a meeting with Grierson to discuss the biography of Tovey. Typescript signed.

Letter, 19 December 1946, London, Norman Peterkin to Robert Trevelyan. Discussing the production of a Tovey biography by either Foss or Grierson. Typescript signed.

Letter, 1 February 1947, London, Norman Peterkin to Robert Trevelyan. Informing Trevelyan that Grierson is dedicating time to writing a biography on Tovey and that John Tovey has offered her financial help and that Oxford University Press have offered assistance. Typescript signed.

Letter, 1 May 1940, London, Josolyne, Miles, Page & Co to Robert Trevelyan. Informing Tovey that Josolyne, Miles, Page & Co have been appointed liquidator of Clarkson, and asking about hampers of costumes and wigs. Typescript signed.

Letter, 30 April 1919, London, Percy Such to Robert Trevelyan. Asking if Tovey has shown his opera score to Beecham, who is in Edinburgh looking out for English works. Holograph signed.