[1]Archived 2009-08-30 at the Wayback Machine "Balliol was the birthplace of the modern degree of PPE in the 1920s. A. D. Lindsay, who subsequently became the master of the college, played a key role in the establishment of the degree and Balliol has long remained a major college for the study of PPE, and PPE has long been a major subject within Balliol."
'Hitchens, Christopher Eric', Who's Who; 2012, A & C Black, 2012; online edn, Oxford University Press, December 2012; online edn, January 2012 accessed 5 December 2014
[1]Archived 2009-08-30 at the Wayback Machine "Balliol was the birthplace of the modern degree of PPE in the 1920s. A. D. Lindsay, who subsequently became the master of the college, played a key role in the establishment of the degree and Balliol has long remained a major college for the study of PPE, and PPE has long been a major subject within Balliol."