1970. Letter (page 3/3) from Demarco to Dr Brigitte Lohmeyer, Cultural Officer of the German Embassy, London. Ref. Strategy: Get Arts.
1973. Invitation Card (verso). Edinburgh Arts 1973, RDG programme of exhibitions, lectures and theatre.
1973. Exhibition Catalogue. Page 24/25. Mario Terzic. The Austrian Exhibition. RDG, Edinburgh, and Institute of Contemporary Arts, London.