1970. Letter (page 4/7) from Robert Filliou to Georg Jappe. Ref. The Vocational Game. Strategy: Get Arts.
1976. Letter from Edinburgh Arts 1976 participant Joan Hughson to Lady Jean Polwarth (RDG Board of Directors), ref. Edinburgh Arts 1976.
Thoughts on 'Edinburgh Arts 73' By Richard Demarco (in a letter to Sandy Nairne), (p. 2), 24 March 1973.
1970. Letter (page 1/7) from Robert Filliou to Georg Jappe. Ref. The Vocational Game. Strategy: Get Arts.
Thoughts on 'Edinburgh Arts 73' By Richard Demarco (In a letter to Sandy Nairne) (p. 1), 24 March 1973
1976. Letter from Caroline Tisdall to William Buchanan, Art Director of the Scottish Arts Council, ref. Edinburgh Arts.
1976. Information Sheet. Ref. RDG publication: A Journey from Hagar Qim to the Ring of Brodgar. Edinburgh Arts 1976.
1969. Letter to Demarco from City of Edinburgh Corporation refusing Paul Neagu permission to erect a projected temporary structure in Melville Crescent, Edinburgh.