Title: Neizvestnye stranit︠s︡y istorii Beloĭ Rusi v dokumentakh i issledovanii︠a︡kh (s drevneĭshikh vremen do 1569 goda)
Subjects: Sources, History, Belarus. Byelorussian S.S.R. White Russia, Early and medieval to 1526, History (general) and history of Europe
Places: Belarus
Time periods: To 1569