Sulmona
| Author(s) | Title | Reference | |
|---|---|---|---|
| F.M. Powicke | Beiträge zur Geschichte Cölestins V., by Friedrich Baethgen | 6/1, p. 65 | |
| Richard Axton | The Latin Passion Play: Its Origins and Development, by Sandro Sticca |
| Author(s) | Title | Reference | |
|---|---|---|---|
| F.M. Powicke | Beiträge zur Geschichte Cölestins V., by Friedrich Baethgen | 6/1, p. 65 | |
| Richard Axton | The Latin Passion Play: Its Origins and Development, by Sandro Sticca |