Kowalczyk, Ernest. “Making Diplomacy through Culture: Mikołaj Sękowski, the Polish Envoy to Naples and Madrid in the Late Sixteenth Century”. Legatio: The Journal for Renaissance and Early Modern Diplomatic Studies 3 (March 1, 2020): 39–62. Accessed April 21, 2026. https://apcz.umk.pl/Legatio/article/view/LEGATIO.2019.02.