Ćwikła, Łukasz. “Piotr of Stryków, Łazęka Coat of Arms (died 1468) – Knight, Politician and Landlord”. Melusine. Old Literature and Culture 18, no. 1 (October 19, 2024). Accessed November 21, 2024. https://ojsltn.uni.lodz.pl/Meluzyna/article/view/2465.