Fotheringhame WH. Notes respecting the life of Swein Aslief, an Orkney Viking, of the Twelfth Century, illustrating the annals of that period. Collected from the Early Norwegian Sages. PSAS [Internet]. 1858 Nov. 30 [cited 2024 Apr. 29];2:278-87. Available from: https://journals.socantscot.org/index.php/psas/article/view/4435