Sirutavičius, Marius. « The Phenomenon of Clientage and the Organisation of Diplomatic Activities in the Grand Duchy of Lithuania of the Second Half of the Sixteenth Century ». Legatio: The Journal for Renaissance and Early Modern Diplomatic Studies 2 (février 10, 2020): 65–91. Consulté le juillet 7, 2025. https://apcz.umk.pl/Legatio/article/view/LEGATIO.2018.03.