NOVA, Decoding da Vinci, Season 46, Episode 21
Leonardo da Vinci Biography – Galartsy
Gallery: The original Mona Lisa copy?
Leonardo and the copy of the Mona Lisa. New approaches to the artist's studio practices - Exhibition - Museo Nacional del Prado
MONEY AND MONA LISA – THE VALUE OF ART
Renaissance Europe: Leonardo da Vinci: Mona Lisa — Passports
Leonardo Da Vinci Oil Painting Reproductions for Sale
Oxford scholar questions £335m painting's Da Vinci attribution - Cherwell
Italian police find stolen copy of Leonardo 'Salvator Mundi