Monica: An Ordinary Saint (New York: Oxford University Press, 2015)
On Abstinence from Killing Animals (London: Bloomsbury, 2014)
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Body and Gender, Soul and Reason in Late Antiquity (Farnham: Ashgate, 2011)
Christianity and Roman Society (Cambridge : Cambridge University Press, 2004)
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Confessions. Books I–IV (Cambridge : Cambridge University Press, 1995)
Augustine: The Confessions (Cambridge : Cambridge University Press, 1993)
Women in the Ancient World (Oxford: Oxford University Press, 1989)
Carol Harrison, Caroline Humfress, Isabella Sandwell (Hrsg.): Being Christian in Late Antiquity. A Festschrift for Gillian Clark. Oxford University Press, Oxford 2014, ISBN 9780199656035.