Letter, 15 March 1929, Edinburgh, Charles Guthrie to Robert Trevelyan. Enclosing a new agreement, thanking Trevelyan for a cheque and details of the costs of properties for the opera. Typescript signed.

Letter, 23 March 1929, Edinburgh, Charles Guthrie to Robert Trevelyan. News that the opera licence has been received by the Empire theatre, and arranging the delivery of properties. Typescript signed.

Letter, 26 March 1929, Edinburgh, Charles Guthrie to Robert Trevelyan. Discussion of the wigs, beards and moustaches ordered by Charles Ricketts for the production of 'The Bride of Dionysus'. Holograph signed.

Letter, 21 May 1937, Edinburgh, Charles Guthrie to Robert Trevelyan. Informing Guthrie that the scenery of ' The Bride of Dionysus' is stored under the McEwan Hall, and the cost of insuring the scenery. Typescript signed.

Letter, 14 June 1929, Edinburgh, Charles Guthrie to Robert Trevelyan. Concerning the finances of the 'Bride of Dionysus' and expressing pleasure at having been involved with the production. Holograph signed.

Letter, 6 June 1932, Edinburgh, Charles Guthrie to Robert Trevelyan. Concerning the costs of performing in The Kings Theatre. Typescript signed.

Letter, 23 October 1939, Edinburgh, Charles Guthrie to Robert Trevelyan. Discussing whether to return the wigs etc. to Messers. Clarkson, or to sell them to Erik Chisholm. Typescript signed.

Letter, 6 May 1929, Edinburgh, Charles Guthrie to Donald Tovey. Discussing finances of ' The Bride of Dionysus'. Typescript signed.