1. Auden, W. (1969), “The quest hero”, in Isaacs, N. and Zimbardo, R. (Eds), Tolkien and the Critics: Essays on J.R.R. Tolkien's The Lord of the Rings, University of Notre Dame Press, Notre Dame, IN, pp. 40‐61, chapter originally published in 1961.
2. Bartlett, A. and Mercer, G. (2001), “Mostly metaphors: theorizing from a practice of supervision”, in Bartlett, A. and Mercer, G. (Eds), Transforming (R)Elations, Peter Lang, New York, NY, pp. 55‐69.
3. Bayley, J., Ellis, J., Abreu‐Ellis, C. and O'Reilly, E. (2012), “Rocky road or clear sailing? Recent graduates' recollections and reflections of the doctoral journey”, Brock Education, Vol. 21 No. 2, pp. 88‐102.
4. Bontekoe, R. (1987), “The function of metaphor”, Philosophy and Rhetoric, Vol. 20 No. 4, pp. 209‐226.
5. Brew, A. (2001), “Conceptions of research: a phenomenographic study”, Studies in Higher Education, Vol. 26 No. 3, pp. 271‐285.