Columbia subject headings:
Bella principessa--Exhibitions.
Leonardo, da Vinci, 1452-1519--Spurious and doubtful works--Exhibitions.
Harvard subject headings:
Bella principessa--Exhibitions.
Leonardo, da Vinci, 1452-1519--Spurious and doubtful works--Exhibitions.
Princeton subject headings:
Bella principessa--Exhibitions.
Leonardo, da Vinci, 1452-1519--Spurious and doubtful works--Exhibitions.