| ref | joined_books |
|---|---|
| Gelasius I Pope (Roman African Pope, Letters, 8 | Dijkstra (2020), The Early Reception and Appropriation of the Apostle Peter (60-800 CE): The Anchors of the Fisherman, 240 |
| Gelasius I Pope (Roman African Pope, Letters, 33 | Dijkstra (2020), The Early Reception and Appropriation of the Apostle Peter (60-800 CE): The Anchors of the Fisherman, 235 |