Columbia subject headings:
Architecture in art--Exhibitions.
Mural painting and decoration--Italy--Exhibitions.
Trompe l'oeil painting--Italy--Exhibitions.
Harvard subject headings:
Architectural drawing--Italy--Bologna--Exhibitions.
Architectural drawing--Italy--Emilia--Exhibitions.
Architectural drawing--Italy--Emilia-Romagna--Exhibitions.
Optical illusions--Exhibitions.
Perspective--Exhibitions.
Visual perception--Exhibitions
Princeton subject headings:
Architecture in art--Exhibitions.
Mural painting and decoration--Italy--Exhibitions.
Trompe l'oeil painting--Italy--Exhibitions.