https://liturgicalnotes.blogspot.com/2020/05/bernard-of-cluny-and-bishop-grandisson.html
Fr Hunwicke's Mutual Enrichment: Bernard of ?Cluny and Bishop Grandisson of Exeter
In the Chapter Library at Exeter, there is an unpublished fragment which comes from a Mary Missal; a Missal containing only the Ordo Missae ...