Columbia subject headings:
Drawing, Renaissance--Italy--Turin--Exhibitions.
Leonardo da Vinci school--Exhibitions.
Leonardo, da Vinci, 1452-1519--Exhibitions.
Harvard subject headings:
Drawing, Renaissance--Italy--Turin--Exhibitions.
Leonardo da Vinci school--Exhibitions.
Leonardo, da Vinci, 1452-1519--Exhibitions.
Princeton subject headings:
Leonardo, da Vinci, 1452-1519--Exhibitions.