Columbia subject headings:
Illumination of books and manuscripts, Italian--Congresses.
Illumination of books and manuscripts, Medieval--Italy--Congresses.
Harvard subject headings:
Biblioteca ambrosiana--Congresses.
Codicology--Congresses.
Illumination of books and manuscripts, Italian--Congresses.
Illumination of books and manuscripts, Medieval--Congresses.
Illumination of books and manuscripts, Medieval--Italy--Congresses.
Scriptoria--Congresses.
Princeton subject headings:
Biblioteca ambrosiana--Congresses.
Illumination of books and manuscripts, Italian--Congresses.
Illumination of books and manuscripts, Medieval--Italy--Congresses.