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