Jawor, Grzegorz. “Ethnic Aspects of Settlement in Ius Valachicum in Medieval Poland (from the 14th to the Beginning of the 16th Century”. Balcanica Posnaniensia. Acta Et Studia, vol. 22, no. 1, Nov. 2015, pp. 47-57, doi:10.14746/bp.2015.22.4.