1972. Letter from Demarco to Graham Metson. Ref. Blood Networks event at RDG.

15 November 1972. Copy of typescript letter from Richard Demarco to Graham Metson, with reference to Blood Networks - Asking the Art World to Become Blood Brothers; a one-day event by Metson (December 1972)  during which the RDG was converted into a functioning blood transfusion unit.