In Literature
- Lund, Niels (1997). Harald Blåtands Død (The Death of Harold Bluetooth). Roskilde Museum's publishing house, Denmark 1997.
- Ashley, Mike (1998). British Monarchs. Robinson Publishing, 1998.
Read more about this topic: Sweyn Forkbeard
In Literature
Read more about this topic: Sweyn Forkbeard