原文: Kyrie - Missa Ista est speciosa. To see the fac simile of the manuscript follow the external link below and click “Collections” tab.
翻訳: ピエール·ド·ラ·ルー. A cappella. 聖なる、ミサ. 言語. ギリシャ語. ATTBB. “Missa de sanctissima virgine maria” transcribed from the Jena University Misc. 25.