Motetus Medieval polyphony in its manuscripts
Piece

O castitatis lilium, Maria / Assumpta in gloria es, nostra / Kyrieleison

No composer named in the sources used here.

Sources

ManuscriptFolioNo. in the sourceDateSource
Montpellier, Bibliothèque interuniversitaire de Montpellier, H 196 ff. 396v–397 344 c. 1300 source