Letter, 14 June 1930, Woking, Ethel Smythe to Mary Grierson. Attempting to arrange a suitable date to perform a work called ' The Prison', . Holograph signed.

Letter, 20 June 1931, London, Fanny Davies to Mary Grierson. Accepting an invitation to play at a Brahms concert in Edinburgh, asking about expenses, and details of the concert. Holograph signed.

Letter, 21 June 1930, London, Fanny Davies to Mary Grierson. Accepting to be on a committee, and of performing a work. Holograph signed.

Letter, 27 November 1930, Humshaugh - on - Tyne, Fanny Davies to Mary Grierson. News of Davies performance in Newcastle. Holograph signed.

Letter, 21 March 1926, Middlesex, George Parker to Mary Grierson. Thanking Grierson for a pleasurable stay in Edinburgh, and praising a concert where Tovey's playing was beautiful and Parker was honoured to be accompanied by Tovey. Typescript signed.

Letter, 29 November 1926, London, Gustav Holst to Mary Grierson. Thanking Grierson for inviting him and praising her performance of one of Holst's favourite symphonies. Typescript signed.

Letter, 3 December 1930, Surrey, Lionel Tertis to Mary Grierson. Praising an orchestral performance, and expressing Tertis' enjoyment at playing with the orchestra, mentioning Boult's courage at suggesting a second performance and disappointment at Tovey's absence. Holograph signed.

Letter, 11 March 1952, Linlithgow, Robert H. Maurlin to Mary Grierson. Praising Grierson's biography of Tovey, and recalling the concerts of the Reid orchestra. Holograph signed, with stamped envelope.

Letter, 14 February 1933, Birmingham, Granville Bantock to Mary Grierson. Thanking Grierson for arranging practical examinations at Edinburgh, expressing pleasure at Tovey's return to health, discussion of a performance of ' Elektra'. Holograph signed.

Letter, 17 August 1952, Fife, T. M. Knox to Mary Grierson. Praising Grierson's biography of Tovey and recounting memories of attending Tovey's concerts. Holograph signed.