Jawor, G. “The Role of Serfdoms in the Obligation System of the Inhabitants of Villages on the Wallachian Law in Lesser Poland (Małopolska) and Crown Ruthenia (15th-16th century).”. Balcanica Posnaniensia. Acta Et Studia, Vol. 26, Jan. 2020, pp. 249-67, doi:10.14746/bp.2019.26.14.