Jakubczyk, Radosław. “Guðbrandur Vigfússon As an Editor of Old Norse-Icelandic Literature”. Folia Scandinavica Posnaniensia 21 (January 15, 2016): 19-30. Accessed June 28, 2022. https://pressto.amu.edu.pl/index.php/fsp/article/view/7042.