1974. Letter from Demarco to theatre director John McGrath, ref. Oil Conference.

21 May 1974. Copy of typescript letter from Richard Demarco to theatre director and writer John McGrath (founder and director of 7:84 theatre company), with reference to The Cheviot, the Stag, and the Black, Black Oil (1973), a 7:84 theatre production written and directed by McGrath, and the RDG's forthcoming Black and White Oil Conference (19-21 August 1974. Edinburgh Arts 1974).