Columbia subject headings:
Harvard subject headings:
Illumination of books and manuscripts, Gothic--Italy--Abruzzo.
Illumination of books and manuscripts, Italian--Italy--Abruzzo.
Santa Maria Maggiore (Church : Guardiagrele, Italy)
Princeton subject headings:
Antiphonaries--Illustrations.
Graduals (Liturgical books)--Illustrations.
Illumination of books and manuscripts, Italian--Italy--Abruzzo.
Illumination of books and manuscripts, Medieval--Italy--Abruzzo.
Pictures.
Santa Maria Maggiore (Church : Guardiagrele, Italy)