• Material is open for research.
• Manuscript, on parchment, of an illuminated and decorated gradual made for use in the choir of the Olivetan monks of the monastery of Santa Maria di Baggio near Milan.
• The Olivetan gradual: its place in fifteenth-century Lombard manuscript illumination, by Milvia Bollati. London: Sam Fogg, 2008.
• Gift of Susan Weil, 2014.
• Script: written in liturgical bookhand. Music in square musical notation on five four-line red staves.
• Decoration: five miniatures; eleven large ornamental initials on gold grounds; many decorated initials with penwork.
• Miniatures have been attributed to the Olivetan Master and the Master of the Lodi Choir Books.
• Binding: full deerskin over wooden boards; extensive metalwork on binding.
• Gradual. General Collection, Beinecke Rare Book and Manuscript Library, Yale University.

Subjects:

• Master of the Lodi Choir Books, active 15th century.
• Olivetan Master, active 1429-1439.
• Catholic Church
• Olivetans.
• Graduals (Liturgical books)
• Illumination of books and manuscripts, Medieval.
• Manuscripts, Medieval -- Connecticut -- New Haven.
• Manuscripts, Medieval -- Italy -- 14th century.
• Medieval and Renaissance Manuscripts in Beinecke Library.