title: Delimitation of the Border between the Polish-Lithuanian Commonwealth and the Muscovyin the Interfluve of the Sula and the Sejm in the first half of the 17th century
abstract: The article deals with issues related to the work of the interstate commission to determine the borders between the Polish-Lithuanian Commonwealth and the Moscow kingdom in the first half of the 17th century. Based on the analysis of written and visual sources, the authors identified the problems that arose during the work of this commission. They are connected, first of all, with the identification of toponyms mentioned in the texts, and specific geographical and archaeological sites. The basis
journal: Bylye Gody