Complex sentence: Færeyinga Saga only exists today as copies in other sagas, in particular the manuscripts called Óláfs saga Tryggvasonar, Flateyjarbók and one registered as AM 62 fol.
Split into simpler sentences: Færeyinga Saga only exists today as copies in other sagas. In particular three manuscripts called Óláfs saga Tryggvasonar, Flateyjarbók and one registered as AM 62 fol.