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. Online. 10 February 2020. Vol. 2, pp. 65-91. [Accessed 21 April 2026]. DOI 10.12775/LEGATIO.2018.03.