| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Companion to Gregory the Great | 978-90-04-25775-7 (90-04-25775-6) | 2013 | Bronwen Neil |
| Airline to Heaven, Part I | 978-0-9802300-0-0 (0-9802300-0-4) | 2008 | Annie Heckman · Terri L. Russ |
| Debating the Saints' Cults in the Age of Gregory the Great | 978-0-19-964679-1 (0-19-964679-1) | 2012 | |
Brill · Oxford University Press · StepSister Press, LLC