Search for: [Subject and Keywords = Rugia 12\-14w.] OR [Subject and Keywords = Słowianie 12\-14w.] OR [Subject and Keywords = Janisław, Osięgłowski] OR [Title = Janisław Osięgłowski. Polityka zewnętrzna Księstwa Rugii \(1168\-1328\). Warszawa\-Poznań 1975] OR [Creator = Jasiński, Kazimierz \(1920–1997\)]
