Harbin, B (1969). "Terence Gray and the Cambridge Festival Theatre". Educational Theatre Journal. 21 (4): 1926–1933. doi:10.2307/3205568. JSTOR3205568.
Nicholson, Steve (2016). "'Nobody Was Ready for That: The Gross Impertinence of Terence Gray and the Degradation of Drama". Theatre Research International. 21 (2): 121–131. doi:10.1017/S030788330001470X.
jstor.org
Harbin, B (1969). "Terence Gray and the Cambridge Festival Theatre". Educational Theatre Journal. 21 (4): 1926–1933. doi:10.2307/3205568. JSTOR3205568.