Henry A. Jefferies is a Research Associate in History at Ulster University. His research interests include the Irish Church and religion in the late medieval and early modern eras, with a recent focus on women and religion in Tudor Ireland. Previous publications include Priests and Prelates of Armagh in the Age of Reformations (1997) and The Irish Church and the Tudor Reformations (2010). Richard Rex is Professor of Reformation History at the University of Cambridge. His research interests encompass the Reformation on both sides of the 'German Ocean' across the late medieval and the early modern era. Previous publications include Henry VIII and the English Reformation (1992; 2nd edn. 2006), The Lollards (2002), and The Making of Martin Luther (2017).