Snorri Sturluson

Context:

Repeatedly referenced as a primary source for Harold Hardrada's life, part of the Heimskringla saga cycle, providing accounts of his time in Constantinople, the eye-gouging of Michael V, and his reign in Norway.

Context:

Described as a 13th century handbook for poets written by Snorri Sturluson, explaining that it was needed because Christian poets had forgotten the old Norse mythology necessary for traditional poetry.