Freza-Olczyk M. Bishop Conrad III of Kamień Pomorski: a common clergyman and a politician in the Duchy of Pomerania in 1233–1241. SDŚ [Internet]. 13 grudzień 2018 [cytowane 23 grudzień 2024];(22):67-81. Dostępne na: https://czasopisma.bg.ug.edu.pl/index.php/stzdsr/article/view/3884