How does this artwork elucidate its abstract?
The Fontevraud Gradual (often known as the Gradual of Eleanor of Brittany) is an
antiphonary or gradual of the mid-13th century, owned by Eleanor of Brittany (d. 1342), abbess of Fontevraud Abbey, and bequeathed to the abbey on her death. 
It contains Gregorian chant as well as three early polyphonic pieces. It is also noted for its miniatures in the form of historiated initials.
The manuscript is kept at the Limoges municipal library (Limoges MS 2) and is not publicly accessible. 
A digital version was made accessible online in 2019.
Limoges antiphonary Gradual historiated initials Eleanor of Brittany Fontevraud Abbey polyphonic gradual Gregorian chant