Brinolf Gerlaksson, bishop of Skara (commissioned by) (1498). Breviarium Scarense. Nuremberg: Georg Stuchs. pp. 2–13. Archived from the original on 2012-09-06. Retrieved 2010-06-20.
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Worm, Ole (1636). "XVIII: Literarum Danicarum potestas ac valor in numeris" [The Numerical Power and Value of Danish Letters]. Runir seu Danica literatura antiquissima [Runes: The Oldest Danish Literature] (in Latin). Copenhagen (Hafniæ), Denmark: Typis Melchioris Martzan. pp. 102–103. Retrieved 24 November 2020.
Brinolf Gerlaksson, bishop of Skara (commissioned by) (1498). Breviarium Scarense. Nuremberg: Georg Stuchs. pp. 2–13. Archived from the original on 2012-09-06. Retrieved 2010-06-20.