ŻYWCZAK, Dorota. Biskup krakowski Jan Grotowic (ok. 1280–1347). Poland: Księgarnia Akademicka Publishing,2022. v. Historia, Hereditas, Ecclesia, Vol. 20 DOI: 10.12797/9788381387477. Disponível em: https://books.akademicka.pl/publishing/catalog/book/458. Acesso em: 4 jun. 2025.