Óláfs saga helga or the Saga of St. Olaf, written in several versions, is one of kings' sagas on the subject of King Olaf Haraldsson the Saint.
Image: Olav den helliges saga Tittelfrise G. Munthe
Flateyjarbók is an important medieval Icelandic manuscript. It is also known as GkS 1005 fol. and by the Latin name Codex Flateyensis. It was commissioned by Jón Hákonarson and produced by the priests and scribes Jón Þórðarson and Magnús Þórhallsson.
King Harald I of Norway (right) receives Norway out of his father Halfdan the Black's hands in this illustration from the Flateyjarbók.