Columbia subject headings:
Harvard subject headings:
Illumination of books and manuscripts, Italian--Italy--Bettona.
Illumination of books and manuscripts, Medieval--Italy--Bettona.
Manuscripts, Latin--Italy--Bettona.
Service books (Music)--Catholic Church
Service books (Music)--Conservation and restoration--Italy--Bettona.
Service books (Music)--Italy--Bettona.
Princeton subject headings:
Illumination of books and manuscripts, Italian--Italy--Bettona.
Illumination of books and manuscripts, Medieval--Italy--Bettona.
Manuscripts, Latin--Italy--Bettona.
Service books (Music)--Catholic Church.
Service books (Music)--Conservation and restoration--Italy--Bettona.
Service books (Music)--Italy--Bettona.