1.
Berend N. Wojciech Kozłowski: The Thirteenth-Century Inter-Lordly System. Lordly Identity and the Origins of the Angevin-Piast Dynastic Alliance. zfo [Internet]. 2022 Mar. 31 [cited 2026 Sep. 16];71(1):108-9. Available from: https://openjournals.osmikon.de/zfo/article/view/11077