Belaruska-pol'skija litaraturnyja ŭzaemasuvjazi ŭ XIX stahoddzja - Lojka, Aleh Antonavič 1931-2008; Perkin, Navum Salamonavič 1912-1976 (International Congress of Slavists (5, 1963, Sofija): Daklady., 1963)