Search for: [Subject and Keywords = Baptism of Poland] OR [Subject and Keywords = Lednica] OR [Subject and Keywords = Gnezdun civitas medal] OR [Subject and Keywords = chrzest Polski] OR [Subject and Keywords = Lednica] OR [Subject and Keywords = medal Gnezdun civitas] OR [Title = Kilka przemyśleń o najwcześniejszych dziejach Państwa Polskiego] OR [Creator = Hensel, Witold \(1917–2008\)]