Ediderunt Line Cecilie Engh, Stefka G. Eriksen, Francis F. Steen, Christopher Prescott.
Monks singing the Office and decorated initial A[sperges me.]. Gradual Olivetan Master (Use of the Olivetan Benedictines), illuminated manuscript on parchment ca. 1430-1439. Italy, Monastero di Santa Maria di Baggio near Milan, Ca 1400-1775.
Beinecke Ms1184: The olivetan Gradual. Gradual. General Collection, Beinecke Rare Book and Manuscript Library, Yale University.