Morkinskinna is one of the older king's sagas. It written down on Iceland around 1220, with an existing manuscript from 1275. It was part of the source material for younger sagas. It was part of the source material for younger sagas. It was brought from Iceland to Denmark in 1663 by Tormod Torfaeus, who named it Morkinskinna due to the poor quality of the parchment compared to Fagrskinna.
Can be found at septentrionalia.net and at Heimskringla.no