https://catholiclibrary.org/library/view?docId=Medieval-OR/AnHymAuthorXVIHymnodiaHibericaHymnodiaHibericaAnalectaHymnica.00000128.la.html&chunk.id=00000095
AnHym Author, Analecta Hymnica – XVI. Hymnodia Hiberica. Hymnodia Hiberica
authoranalectahymnicaxvihiberica