Magnus reigned from A.D. 1035 to 1047, when he died. During the last
year of his reign his half-brother Harald Sigurdson was his co-regent.
The history of Magnus is treated in "Agrip.", ch. 28-32; in
"Fagrskinna", ch. 119-146; in "Fornmannasogur", part vi., and in
"Knytlinga Saga".
The skalds quoted in this saga are: Arnor the earls' skald (Arnor
Jarlaskald), Sigvat, Thjodulf, Bjarne Gullbrarskald, Thorgeir Flek, Od
Kikinaskald.