• Early Modern Britain and Ireland
• History of Religious Persecution and Violence
• Literature and History
• History of Rhetoric
• Memory and History

Books:

The Trail of Martyrdom: Persecution and Resistance in 16th-century England (Notre Dame UP, 2003)

Articles:

"Paratextual Strategies in Thieleman van Braght's Martyrs' Mirror," Book History, Fall, 2006.

"Children and Early Modern Martyrologies," Archiv fur Reformationsgeschichte, Fall, 2006.

"Heretic Hinting Beyond the Seas: John Brett and the Pursuit of the Marian Heretics," Albion Fall, 2004

"The Examinations of John Philpot: Bold Talk, Defiance, and the Making of a Martyr," Reformation 7 (Spring, 2002).

"Crossing Disciplines: Recent Contributions of Literary Scholarship to the History of Early Modern England" [review essay], Renaissance Quarterly (2002).

Wounded Flesh, Wounded Nation: Injury and Metaphor in England, 1620-1660

Book-length study of Oliver Cromwell and atrocity in the Irish and Scottish historical imagination (1650-1900)

History of England (textbook), Fifth Edition, co-written with Stuart Prall (Thomson-Gale, 2007)