 The name "Heimskringla" comes from the fact that the first words of the first saga in the compilation ("Ynglinga saga") are "Kringla heimsins", "the orb of the Earth".The earliest parchment copy of the work is referred to as "Kringla", now in the Reykjavík National Library, catalogued as Lbs fragm 82.This is now a single vellum leaf from c. 1260, a part of the Saga of St. Olaf; the rest of the manuscript was lost to fire in 1728.