Search for: [Subject and Keywords = cultural frontier] OR [Subject and Keywords = medieval Polish\-Rus’ frontier] OR [Subject and Keywords = medieval Polish\-Lithuanian frontier] OR [Subject and Keywords = eastern Slavonic toponyms] OR [Subject and Keywords = early modern settlement] OR [Subject and Keywords = medieval settlement] OR [Subject and Keywords = toponomastic research] OR [Title = Wiejskie struktury osadnicze i ich przemiany w czasie\: przykład Nowosielca na dawnym pograniczu polsko\-rusko\-litewskim] OR [Creator = Gałecki, Zygmunt] OR [Creator = Skrzyńska, Katarzyna]