Letter, 8 July 1939, Glasgow, Erik Chisholm to Robert Trevelyan. Explaining that it would be difficult to put on ' The Bride of Dionysus ' at Glasgow with the Glasgow Grand Opera Company. Holograph signed.

Letter, 4 April 1940, London, G. N. Milne to Robert Trevelyan. Informing Trevelyan that Clarksons has gone into liquidation, and requesting that Milne look after hampers of Greek columns for Trevelyan. Holograph signed.

Letter, 16 April 1929, Edinburgh, George Campbell to Robert Trevelyan. Enclosing a letter from Loveday & Higson. Holograph signed.

Letter, 10 October 1918, Edinburgh, George Campbell to Robert Trevelyan. Outlining the responsibilities the Edinburgh Opera company will take on with the production of 'The Bride of Dionysus'. Holograph 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, 12 January 1944, London, Hubert Foss to Robert Trevelyan. Informing Trevelyan that Foss has received a proof for an article in 'Music and letters', and news of Miss. Weisse and her state of health. Holograph signed.

Letter, 8 May 1929, Edinburgh, James Bee to Robert Trevelyan. Expressing the Edinburgh Opera company's pleasure at being involved with Trevelyan, Tovey and The Bride of Dionysus. Holograph signed.

Letter, 6 May 1940, London, Josolyne, Miles, Page & Co to Robert Trevelyan. Informing Trevelyan that Josolyne Miles Page & Co have advised Mr. Milne to remove and store goods on behalf of Trevelyan. Typescript signed.

Letter, 12 May 1931, Edinburgh, Loudoun Shepherd to Robert Trevelyan. Informing Trevelyan that The Edinburgh Opera Company have agreed to perform ' The Bride of Dionysus' and a provisional date for the performances at the Kings theatre. Typescript signed.

Letter, 2 November 1932, Edinburgh, Loudoun Shepherd to Robert Trevelyan. Informing Trevelyan that all scores have now been returned. Typescript signed.