Heimskringla, or the Chronicle of the Kings of Norway — Snorri Sturluson

" ...]31. FALL OF SKREYJA AND ASKMAN. 32. HAKON'S DEATH. SAGA OF KING HARALD GRAFELD AND OF EARL HAKON SON OF SIGURD. 1. GOVERNMENT OF THE SONS OF EIRIK. 2. CHRISTIANITY OF GUNHILD'S SONS. 3. COUNCILS BY GUNHILD AND HER SONS. 4. GUNHILD'S SONS AND GRJOTGARD. 5. SIGURD BURNT IN A HOUSE IN STJORADAL 6. HISTORY OF HAKON, SIGURD'S SON. 7. OF HARALD GRAFELD. 8. EARL EIRIK'S BIRTH. 9. KING TRYGVE OLAFSON'S MURDER. 10. KING GUDROD'S FALL. 11. OF HARALD GRENSKE. 12. EARL HAKON'S FEUDS. ...]."