Columbia subject headings:
Architecture in art.
Painting, Italian--Italy--Bologna.
Painting, Italian--Italy--Romagna.
Harvard subject headings:
Architecture in art.
Art, Renaissance--Italy--Bologna.
Art, Renaissance--Italy--Romagna.
Painting, Italian--Italy--Bologna.
Painting, Italian--Italy--Romagna.
Perspective--History
Space (Art)
Space perception--History.
Princeton subject headings:
Architecture in art.
Painting, Italian--Italy--Bologna.
Painting, Italian--Italy--Romagna.
Space (Art)