Columbia subject headings:
Galleria estense di Modena.
Painting--Italy--Modena.
Raphael, 1483-1520. Perla di Modena.
Harvard subject headings:
Galleria estense di Modena.
Painting, Renaissance--Conservation and restoration--Italy--Modena.
Raphael, 1483-1520--Spurious and doubtful works.
Princeton subject headings:
Galleria estense di Modena.
Painting, Renaissance--Conservation and restoration--Italy--Modena.
Raphael, 1483-1520--Criticism and interpretation.
Raphael, 1483-1520. Perla di Modena.