1980. Demarco on the 'Marques' sailing ship in Brodick Bay, Isle of Arran, Scotland. Edinburgh Arts 1980 sea-voyage on the 'Marques'.
1970. Letter (page 7/7) from Robert Filliou to Georg Jappe. Ref. The Vocational Game. Strategy: Get Arts.
1987. Announcement Card (recto). RDG 21st Anniversary auction, dinner, discussion and performance events. Smith's Gallery, London.