1973. Letter from Ian Hamilton Finlay to Adelaide Sharnee Harris (RDG staff), ref. Edinburgh Arts 1973.
1971. Letter from Demarco to Mark Goldberg (RDG Board member). Ref. forthcoming Ian Hamilton Finlay exhibition at the RDG (December 1971)
1973. Letter (page 1/3) from Ian Hamilton Finlay to Demarco, ref. Finlay/ Demarco collaboration 'A Calm in a Tea-cup' (Wild Hawthorn Press, 1973)
1973. Letter (page 2/3) from Ian Hamilton Finlay to Demarco, ref. Finlay/ Demarco collaboration 'A Calm in a Tea-cup' (Wild Hawthorn Press, 1973)
1973. Letter (page 3/2) from Ian Hamilton Finlay to Demarco, ref. Finlay/ Demarco collaboration 'A Calm in a Tea-cup' (Wild Hawthorn Press, 1973)