Crosstalk, BBC film shown1 May 1979. Produced and directed by John Twitching, London: The National Centre for Industrial Language Training and the Pathway Further Education Centre in Association with the BBC.
(1976) “Gatekeeping Encounters: A Social Selection Process”, in P. Sanday (Ed.), Anthropology and the Public Interest: Fieldword and Theory, New York, Academic Press, pp.111–145.