Columbia subject headings:
Leonardo, da Vinci, 1452-1519--Authorship--Exhibitions.
Leonardo, da Vinci, 1452-1519. Mona Lisa--Exhibitions.
Painting, Italian--Attribution--Exhibitions.
Painting, Italian--Expertising--Exhibitions.
Harvard subject headings:
Leonardo, da Vinci, 1452-1519--Authorship--Exhibitions.
Leonardo, da Vinci, 1452-1519. Mona Lisa--Exhibitions.
Painting, Italian--Attribution--Exhibitions.
Painting, Italian--Expertising--Exhibitions.
Princeton subject headings: