Hejmej, Andrzej. “Opera Stefana Themersona (St. Francis & The Wolf of Gubbio or Brother Francis’ Lamb Chops)”. Acta Universitatis Lodziensis. Folia Litteraria Polonica, vol. 16, no. 2, June 2012, pp. 77-91, https://doi.org/10.18778/1505-9057.16.06.