1970. Announcement Card (verso). Keith Critchlow and Alan Hacker's 'Sound in Space'. Presented by the RDG at Edinburgh College of Art.
1974. Letter (page 2/2) from Caroline Tisdall to Demarco, ref. Black and White Oil Conference. Edinburgh Arts 1974.
1973. Exhibition Catalogue. Page 17/25. Films. The Austrian Exhibition. RDG, Edinburgh, and Institute of Contemporary Arts, London.
1980. Reception for Edinburgh Arts at the Ulster Museum, Belfast. Director Ted Hickey, left. Edinburgh Arts 1980.