Anderson, J. 1873. Notes of some Entries in the Iceland Annals regarding the Death of the Princes Margaret, ’The Maiden of Norway,’ in A.D. 1290, and ’The False Margaret,’ who was Burned at Bergen in A.D. 1301; with Transcript of a Letter of Bishop Audfinn of Bergen referring to both, and dated 1st February 1320. Proceedings of the Society of Antiquaries of Scotland. 10, (Nov. 1873), 403–419. DOI:https://doi.org/10.9750/PSAS.010.403.419.