A Hidden Drawing Lies Beneath the 'Mona Lisa,' New Ultra-High

A new high-tech study of Leonardo da Vinci's 'Mona Lisa' suggests that the Renaissance master made the painting using a preparatory sketch.

Two–Mona Lisa theory - Wikipedia

Mona Lisa, the Ultimate Guide To The World's Most Recognizable Portrait

How Leonardo da Vinci Made Mona Lisa Smile - The Atlantic

The Mystic Smile The New Republic

The art of the steal: History's greatest museum thefts - Hindustan Times

Painting The Mona Lisa A Portrait Painting Commission By Mark E. Lovett

Mona Lisa: the mystery continues in contemporary art

Mona Lisa: The secret life of 'Mona Lisa': Thyroid issues, tricky smirk & alien presence - The Economic Times

How Reputation Influences Success: The Mona Lisa