Kwiatek A. The ‘Useful Man’ in the Political System of the Polish-Lithuanian Commonwealth of the Vasas – New Perspectives and Methodological Problems in Research into the Careers of Małopolska Noblemen. KH [Internet]. 7 maj 2024 [cytowane 10 grudzień 2025];130(7):117-38. Dostępne na: https://apcz.umk.pl/KH/article/view/51070