1974. Letter (page 1/2) to Demarco from Caroline Tisdall, ref. Black and White Oil Conference. Edinburgh Arts 1974.

12 September 1974. Letter (page 1 of 2) from Caroline Tisdall (art critic, The Guardian) to Richard Demarco, with reference to the RDG's Black and White Oil Conference (Forrest Hill Poorhouse, Edinburgh, 19 - 21 August 1974) and the concurrent exhibition at Forrest Hill Poorhouse of Tisdall's photographic documentation of Joseph Beuys's Coyote: I Like America and America Likes Me.