Columbia subject headings:
Painting, Italian--Italy--Emilia-Romagna.
Painting, Medieval--Italy--Emilia-Romagna.
Painting, Renaissance--Italy--Emilia-Romagna.
Harvard subject headings:
Painting, Italian--Italy--Emilia-Romagna.
Painting, Medieval--Italy--Emilia-Romagna.
Painting, Renaissance--Italy--Emilia-Romagna.
Princeton subject headings:
Painting, Italian--Italy--Emilia-Romagna.
Painting, Medieval--Italy--Emilia-Romagna.
Painting, Renaissance--Italy--Emilia-Romagna.