Letter, 2 July 1924, Badgestein, Bronislaw Hubermann to Mary Grierson. Explaining that Huberman is to busy to play with Tovey this season, but would like to do so in the future. Holograph signed.

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, 9 October 1924, London, Fanny Davies to Mary Grierson. Informing Grierson that Davies has sent of a Mozart mss. to Edinburgh, asking about the venue of a forthcoming concert. Holograph 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, [April 1934], Barcelona, Donald Tovey to Mary Grierson. Request to send prospectuses and programmes to Lord Balfour and Miss. Balfour. Holograph signed.

letter, 19 May 1936, London, Donald Tovey to Mary Grierson. Suggestions for forthcoming season. Holograph signed.

Letter, 11 October 1935, Surrey, Sophie Weisse to Mary Grierson. News of Miss. Weisses brothers death, requesting that Grierson get a ticket for the Reid concert series and a description of Tovey's parents last years. Holograph signed.

Letter, 14 September 1936, Bad Nauheim, Sophie Weisse to Mary Grierson. Expressing the feeling that Tovey is a character in a Greek tragedy, requesting a subscription seat to The Reid concerts. Holograph signed.

Letter, [1926], London, Sir Donald Francis Tovey to Mary Gardner Grierson and Lord Charles David Murray. Plans and finances for forthcoming concert series. Holograph signed.

Letter, 20 June 1925, Cunard R. M. S. ' Franconia ', Donald Tovey to Mary Grierson. Plans for forthcoming concert. Holograph signed.