| Centennial of Flight Commission, 2003 | "Leonardo", Los grandes genios del arte |
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| Museum Skepticism: A History of the Display of Art in Public Galleries | His birth is recorded in the diary of his paternal grandfather Ser Antonio, as cited by Angela Ottino della Chiesa in Leonardo da Vinci, p |
| Ghose, Tia 9 December 2015 | Harvest Books via Amazon Search Inside |
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| Samuels, Ernest; Samuels, Jayne 1987 | Holt, Richard 22 October 2007 |