Search for: [Subject and Keywords = Sierocka, Krystyna \(1929\-2007\)] OR [Subject and Keywords = \"Biuletyn Polonistyczny\"] OR [Subject and Keywords = obituary] OR [Subject and Keywords = Sierocka, Krystyna \(1929\-2007\)] OR [Subject and Keywords = \"Biuletyn Polonistyczny\"] OR [Subject and Keywords = nekrolog] OR [Title = Pani Krysia i Biuletyn] OR [Creator = Jarosińska, Izabela]