Columbia subject headings:
Harvard subject headings:
Leonardo, da Vinci, 1452-1519--Authorship.
Leonardo, da Vinci, 1452-1519. Savior of the World.
Painting, Italian--Attribution
Princeton subject headings:
Leonardo, da Vinci, 1452-1519--Authorship.
Leonardo, da Vinci, 1452-1519. Savior of the World.
Painting, Italian--Attribution.