^He wrote, among others, "The Sole Sufficiency of Jesus Christ", 1961; "The Holy Spirit and the Christian Life", 1962; "The Encouragement of the Believer", 1964; and "Victory in the Christian Life", 1964 > British Library web site accessed 15:57 GMT Monday 8 July 2013
^"Cragg, Ven. Herbert Wallace", Who's Who 2013, A & C Black, an imprint of Bloomsbury Publishing plc, 2013; online edn, Oxford University Press, Dec 2012; online edn, Nov 2012 accessed 8 July 2013
^"Church News", The Times (London, England), 30 May 1969; p. 13; Issue 57573