Jóźwiak S. Karol Polejowski, Matrimonium et crux. Wzrost i kariera rodu de Brienne w czasie wypraw krzyżowych (do początku XIV wieku) [Matrimonium et crux. The rise and career of the Brienne family during the Crusades (until the beginning of the 14th century)]. OM [Internet]. 2017 Oct. 17 [cited 2024 Jun. 16];22:313-5. Available from: https://apcz.umk.pl/OM/article/view/OM.2017.010