- The Early Papacy: To the Synod of Chalcedon in 451
- The Ceremonies of the Roman Rite Described: In Accordance with the Rubrics of Liturgical Books, the Decrees of the Congregation of Sacred Rites, the Code of Canon Law, and Approved Authors
- The Orthodox Eastern Church Since The Schism
- Donatism
- The Greek Fathers: Their Lives and Writings