1. Beckett, A. (2017). ‘PPE: The Oxford Degree That Runs Britain’. The Guardian. 23 February. Available at: https://www.theguardian.com/education/2017/feb/23/ppe-oxford-university-degree-that-rules-britain.
2. Brennan, G., A. Hamlin and H. Kliemt (2010). ‘PPE: An Appraisal’. Politics, Philosophy & Economics, 9(4): 363–365.
3. Briggs, A. (1991). ‘Cerberus and the Sphinx: Modern Greats in Oxford’. Chapter 18 in A. Briggs, Serious Pursuits: Communications & Education—Volume III, The Collected Essays of Asa Briggs. Urbana and Chicago: University of Illinois Press: 320–326.
4. Campbell, J. (2014). Roy Jenkins: A Well-Rounded Life. London: Jonathan Cape.
5. Chester, N. (1986). Economics, Politics and Social Studies in Oxford, 1900–85. Basingstoke: Macmillan.