^Walker, Greg (6 Feb 2013). Reading Literature Historically: Drama and Poetry from Chaucer to the Reformation (بالإنجليزية). Edinburgh University Press. p. 152. ISBN:9780748681037. Was he present in substance ('subject') and accident, replacing entirely all the elements of bread and wine through the miraculous process of transubstantiation, as the church claimed, or present only in substance 'beneath' the elements of bread and wine which themselves also remained present, through 'consubstantiation' as Wyclif and prominent lollards such as William Thorpe and Sir John Oldcastle asserted?
^Murphy، Russell E. (2007). Critical Companion to T. S. Eliot: A Literary Reference to His Life and Work. Infobase Publishing. ص. 512. ISBN:9781438108551.
