Sverris Saga
| Author(s) | Title | Reference | |
|---|---|---|---|
| R.I. Page | A History of the Vikings, by Gwyn Jones | 41/1, p. 89 | |
| Peter G. Foote | porgils Saga ok Hafliða, by Ursula Brown | 22/2, p. 123 |
| Author(s) | Title | Reference | |
|---|---|---|---|
| R.I. Page | A History of the Vikings, by Gwyn Jones | 41/1, p. 89 | |
| Peter G. Foote | porgils Saga ok Hafliða, by Ursula Brown | 22/2, p. 123 |