Columbia subject headings:
Leonardo, da Vinci, 1452-1519--Authorship--Exhibitions.
Leonardo, da Vinci, 1452-1519. Mona Lisa--Exhibitions.
Museo del Prado--Exhibitions.
Painting--Reproduction--Exhibitions.
Harvard subject headings:
Leonardo, da Vinci, 1452-1519--Authorship--Exhibitions.
Leonardo, da Vinci, 1452-1519. Mona Lisa--Exhibitions.
Painting--Reproduction--Exhibitions.
Princeton subject headings:
Leonardo, da Vinci, 1452-1519--Authorship--Exhibitions.
Leonardo, da Vinci, 1452-1519. Mona Lisa--Exhibitions.
Museo del Prado--Exhibitions.
Painting--Reproduction--Exhibitions.