"David Ayliff – interview transcript"(PDF). Theatre Archive Project. British Library. 18 December 2006. Archived(PDF) from the original on 18 February 2014. Retrieved 3 February 2015.
Christiansen, Rupert (13 October 2001). "Tending the sacred flame". The Spectator. pp. 49–50. Archived from the original on 14 September 2015. Retrieved 14 January 2015.
Christiansen, Rupert (13 October 2001). "Tending the sacred flame". The Spectator. pp. 49–50. Archived from the original on 14 September 2015. Retrieved 14 January 2015.
"David Ayliff – interview transcript"(PDF). Theatre Archive Project. British Library. 18 December 2006. Archived(PDF) from the original on 18 February 2014. Retrieved 3 February 2015.
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Gaye 1967, p. 1533. Gaye, Freda, ed. (1967). Who's Who in the Theatre (fourteenth ed.). London: Sir Isaac Pitman and Sons. OCLC5997224.
Gaye 1967, pp. 1030 and 1118. Gaye, Freda, ed. (1967). Who's Who in the Theatre (fourteenth ed.). London: Sir Isaac Pitman and Sons. OCLC5997224.
Hobson 1958, p. 55. Hobson, Harold (1958). Ralph Richardson. London: Rockliff. OCLC3797774.
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