1973. Letter from Demarco to Christian Boltanski, Ref. Boltanski's proposed installation project. Seven French Artists. Edinburgh Arts 1973.
1982. Postcard (verso). Beuys/ Rosebery/ Fuller, editioned prints by Joseph Beuys available for purchase through Ronald Feldman Fine Arts, New York.
1973. Letter from Demarco to Alexander Thom, ref. invitation to lecture at the RDG. Edinburgh Arts 1973.
1973. Letter from Arnold Herstand to Richard Demarco. Ref. Twelve Hour Lecture blackboards by Joseph Beuys.
1973. Letter from the City of Edinburgh Corporation to the RDG. Ref. permission for proposed installation by Christian Boltanski. Seven French Artists. Edinburgh Arts 1973.
1973. Letter from Demarco to Marina Abramovic, ref. Eight Yugoslav Artists exhibition, Edinburgh Arts 1973.
1973. Letter to Demarco from Peter Cook (ref. Cook's resignation from directorship of the ICA, London).
1973. Letter (page 1/2) from Demarco to Arnold Herstand, ref. Twelve Hour Lecture blackboards by Joseph Beuys.