Search for: [Subject and Keywords = Michałowska, Teresa] OR [Subject and Keywords = \"Ego Gertruda\: A Literary Historical Study\"] OR [Subject and Keywords = Gertrude’s prayer book] OR [Subject and Keywords = Central\-East European culture – 10 th\-11th century] OR [Subject and Keywords = biography] OR [Subject and Keywords = interpretation] OR [Subject and Keywords = Michałowska, Teresa] OR [Subject and Keywords = \"Ego Gertruda. Studium historycznoliterackie\"] OR [Subject and Keywords = modlitewnik Gertrudy] OR [Subject and Keywords = kultura Europy Środkowowschodniej \- 10\-11 w.] OR [Subject and Keywords = biografia] OR [Subject and Keywords = interpretacja] OR [Title = Ja, Gertruda...] OR [Creator = Leńczuk, Mariusz]