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, 4 March 1952, London, Roger Oliver to Mary Grierson. Praising Grierson's biography of Tovey and Tovey himself. Holograph 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, 9 May 1953, London, Susanne Stonely to Mary Grierson. Praising Grierson's biography of Tovey and informing Grierson of Stoneley's latest concert. Holograph signed, with stamped envelope, with concert programme of The Colovaria Quintet.

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.