References
- Anonymous (1965) ‘Spangled’, The Sunday Times, 22 August.
- Barthes, Roland (1977) ‘The death of the author’, in Image, Music, Text, trans. Stephen Heath, London: Harper Collins, pp.142-148.
- Bentham, Jeremy and Božovič, Miran (1995) The Panopticon writings, London: Verso.
- Dudeck, Theresa Robbins (2013) Keith Johnstone: A critical biography, London: Bloomsbury Methuen Drama.
- Flicker, Theodore (1962) Letter to Lord Chamberlain’s Office [letter], The British Library, Lord Chamberlain’s Correspondence Archive, LCP CORR: 1962/2767, London.
- Foucault, Michel (1975) Discipline and Punish: The birth of the prison, trans. Alan Sheridan, New York, NY: Vintage Books.
- Gwatkin, Norman (1963) ‘Improvisation’ [memo], The British Library, Lord Chamberlain’s Correspondence Archive, LCP CORR: 1962/2767, London.
- Hill, Ronald (1962) Internal memo [memo], The British Library, Lord Chamberlain’s Correspondence Archive, LCP CORR: 1962/2767, London.
- Hill, Ronald (1965) Improvisation, [memo], The British Library, Lord Chamberlain’s Correspondence Archive, LCP CORR:1965/434, London.
- Johnstone, Keith (1979) Impro: Improvisation and the theatre, London: Routledge.
- Nicholson, Steve (2003) The Censorship of British Drama, 1900–1968, Volume One: 1900–1932, Exeter: Exeter University Press.
- Nicholson, Steve (2011) The Censorship of British Drama, 1900–1968, Volume Three: The fifties, Exeter: Exeter University Press.