^Amongst others he has written "The Gifts of God and the Authentication of a Christian", 1994; "The Complete Who’s Who in the Bible", 1995; "Focus on the Bible" series: "2 Peter and Jude", 1998/"Revelation", 2001/"Ephesians", 2006 > British Library web site accessed 16:01GMT Monday 6 July 2009
^‘GARDNER, Ven. Paul Douglas’, Who's Who 2017, A & C Black, an imprint of Bloomsbury Publishing plc, 2017; online edn, Oxford University Press, 2016; online edn, Nov 2016 accessed 29 Jan 2017