Letter, 23 January 1953, London, Alan Frank to Mary Grierson. Informing Grierson of the charge of proof corrections for her book on Tovey. Typescript signed, with stamped envelope.

Letter, 10 March 1952, London, Denis H. R. Brearly to Mary Grierson. Pointing out an error in Grierson's biography of Tovey. Typescript signed.

Letter, 20 April 1952, London, Denis Matthews to Mary Grierson. Praising Grierson's biography on Tovey, and pointing out some mistakes in the text. Holograph signed, with stamped envelope.

Letter, 6 May 1952, London, Denis Matthews to Mary Grierson. Accepting Grierson's thoughts on Matthews previous corrections to her work on Tovey. Holograph signed.

Letter, 24 March 1952, London, Hubert Foss to Mary Grierson. Discussion of a publication of a work on Tovey's markings and ways of interpreting them. Typescript signed, with envelope.

Letter, 18 January 1952, London, A. Peacock, for Geoffrey Cumberlege, Oxford University Press to Mary Grierson. Sending Grierson an early copy of her book on Tovey. Typescript signed.

Letter, 10 March 1952, London, Adrian Boult to Mary Grierson. Praising Grierson's biography of Tovey and enclosing a few corrections to the text. Typescript signed.

Letter, 1 June 1943, London, Hubert Foss to R. C. Trevelyan. Discussion of an edition of Tovey's works in their incomplete and unrevised state. 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.