1973. Audience at Kantor's production of Lovelies and Dowdies at Forrest Hill Poorhouse, Edinburgh. Edinburgh Arts 1973.
1982. Postcard (recto). Beuys/ Rosebery/ Fuller, editioned prints by Joseph Beuys, available for purchase through Ronald Feldman Fine Arts, New York.
1973. Letter from City of Edinburgh Corporation to the RDG. Ref. Permission for proposed installation by Christian Boltanski. Seven French Artists. Edinburgh Arts 1973.
1973. Letter from Arnold Herstand to Richard Demarco. Ref. Twelve Hour Lecture blackboards by Joseph Beuys.
1973. Letter (page 1/2) from Demarco to Arnold Herstand, ref. Twelve Hour Lecture blackboards by Joseph Beuys.