* The Last Elizabethan:The Life of Robert Sidney, 1563–1626 (1994)
* Oxford and the Grounds of Belief (1996)
* Life and Opinions of Arminius (2003)
* Edmund Campion og de engelske jesuittene (2003)
* The Rule of Law:An Illustrated Guide (2010)
* The Oxford Handbook of British Politics and Political Science (2014)
* The British Academy Centenary History of the Social Sciences (2021)
Skjønnlitteratur:
* In Transit:A Novella and Short Stories (2019)
* The Death of Socrates:A Play in Three Acts (2020)