congregation
| Author(s) | Title | Reference | |
|---|---|---|---|
| F.M. Powicke | Beiträge zur Geschichte Cölestins V., by Friedrich Baethgen | 6/1, p. 65 | |
| Edmund Colledge | La Règle de saint Augustin. Vol. I: Tradition manuscrite; Vol. II: Recherches historiques, by Luc Verheijen | 39/3, p. 328 |