Pinborg, J. (1970) “Gordon Leff: Paris and Oxford Universities in the Thirteenth and Fourteenth Centuries. An Institutional and Intellectual History. New Dimensions in History, Essays in Comparative History. New York, London, Sydney, John Wiley & Sons, 1968. xii + 332 s. Ill. 75 sh. Paper 31 sh”., Historisk Tidsskrift, 12. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/51009 (Set: 5 december 2025).