Bisgaard, L. (2000) “H. Roelvink: Franciscans in Sweden. Medieval remnants of Franciscans activities. (Van Gorcum, 1998). 203 s., 50 NLG”., Historie/Jyske Samlinger, s. 189. Tilgængelig hos: https://tidsskrift.dk/historiejyskesamling/article/view/38023 (Set: 6 december 2025).