The correspondence consists of letters, postcards and greetings cards received by George Mackay Brown across his working life. A wide range of correspondence is present, including from long-term correspondents, both personal and literary in nature, professional correspondence from publishers and broadcasters, and letters from one-off correspondents who were writing as fans of his work.

Includes one letter, apparently unsent, of George Mackay Brown to Peter Maxwell Davies, 1987. The correspondence of Peter Maxwell Davies is mostly postcards and also includes some enclosures of concert programmes and publicity material.

Correspondents include Kulgin Duval, Jane MacAllister, Stella Cartwright, Christopher Rush, Peter Maxwell Davies, Marjorie Linklater, Norman MacCaig, Dennis O'Driscoll and Seamus Heaney.

Correspondents include Stella Cartwright, Peter Maxwell Davies, Hugo Brunner and Stewart Conn.

Also included are several letters from The Hogarth Press and the Scottish Arts Council.

Correspondents include Stella Cartwright, Kulgin Duval, Peter Maxwell Davies, Hugo Brunner, Stewart Conn and Moira Burgess and Stanley Simpson of the National Library of Scotland.

Also included are several letters from The Hogarth Press, the BBC and various other publishers, periodicals and broadcasters.

Correspondents include Kulgin Duval, Peter Maxwell Davies and Simon Fraser.

Also included are letters from The Tablet, John Murray and The Paragon Press.

There are only letters for 1987 up until 19 March.