1. Barnes, T. D. (1981). Constantine and Eusebius. Cambridge, MA.
2. Barnes, T. D. (1982). The New Empire of Diocletian and Constantine. Cambridge, MA.
3. Barnes, T. D. (1993). Athanasius and Constantius: Theology and Politics in the Constantinian Empire. Cambridge, MA.
4. Barnes, T. D. (1995). Statistics and the Conversion of the Roman Aristocracy. JRS, 85, 135–147.
5. Barnes, T. D. (2011). Constantine: Dynasty, Religion and Power in the Later Roman Empire. Oxford and Malden.