Search for: [Subject and Keywords = Bogurodzica \(Mother of God\)] OR [Subject and Keywords = Battle of Grunwald] OR [Subject and Keywords = Marian cult] OR [Subject and Keywords = cult of Saint Elisabeth] OR [Subject and Keywords = cult of queen Jadwiga] OR [Subject and Keywords = relics of Saint Barbara] OR [Subject and Keywords = spiritual rivalry] OR [Subject and Keywords = national language] OR [Subject and Keywords = Pax Christania] OR [Subject and Keywords = Bogurodzica] OR [Subject and Keywords = bitwa pod Grunwaldem] OR [Subject and Keywords = kult maryjny] OR [Subject and Keywords = kult św. Elżbiety] OR [Subject and Keywords = kult królowej Jadwigi] OR [Subject and Keywords = relikwie św. Barbary] OR [Subject and Keywords = rywalizacja duchowa] OR [Subject and Keywords = język narodowy] OR [Subject and Keywords = Pax Christiana] OR [Title = \"Dlaczego pod Grunwaldem śpiewano „Bogurodzicę”\?\", czyli duchowa rywalizacja między Krzyżakami a Polakami] OR [Creator = Hashold, Jean\-Philippe] OR [Creator = Leszek, Joanna]