• The Papers of George Wyatt (Camden Society, Fourth Series, 5, 1968)
• The End of Strife; Death, Reconciliation and expressions of Christian Spirituality (Clark, 1984)
• Law and Government under the Tudors; Essays Presented to Sir Geoffrey Elton (with Claire Cross and J. Scarisbrick) (CUP, 1988)
• The Chronicles of the Tudor Kings (Garamond, 1990)
• The Chronicles of the Tudor Queens (Sutton, 2002)
• Word and Worship: Essays presented to Margot Johnson (Davenant, 2005)
• The Church of Mary Tudor (with Eamon Duffy) (Ashgate, 2008)

Plus numerous other individual contributions.