How a $450 Million da Vinci Was Lost in America—and Later Found - WSJ
Leonardo da Vinci Study Pack
The Last da Vinci
Why didn't artists, like Leonardo da Vinci, paint more realistically? - Quora
Leonardo Da Vinci project finds 14 living descendants, Leonardo da Vinci
Hunting Leonardo Da Vinci's DNA: 14 living relatives found
Researchers Document DNA of 14 Living Relatives of Leonard da Vinci
Revised Family Tree Identifies 14 Living Relatives of Leonardo Da Vinci
Leonardo da Vinci, Special Edition