Title: Dz͡herela pro rosiĭsʹko-ukraïnsʹki politychni zvʹi͡azky v roky vyzvolʹnoï viĭny ukraïnsʹkoho narodu, 1648-1654
Subjects: Cossack-Polish War, 1648-1657, Historiography, History, Relations
Places: Russia, Ukraine
Time periods: 1648-1654