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The Gift of Liberty and the Ambitious Tyrant: Leonardo da Vinci as a Political Thinker, between Republicanism and Absolutism in: New Worlds and the Italian Renaissance
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The Da Vinci Code (SparkNotes Literature Guide) by SparkNotes - Ebook | Scribd
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File:Leonardo da Vinci - RCIN 912279, A scheme for a canal to bypass the Arno c.1503-4.jpg - Wikimedia Commons
PDF) Knowing through the Eye: Leonardo da Vinci's Imprensiva and Alhazen's Intuitio,” | Lorenzo Pericolo - Academia.edu
Leonardo Da Vincis Notes (Part II) Translated by Richter 1888 | PDF | Project Gutenberg | E Books
Pedretti C. (Ed) The Literary Works of Leonardo Da Vinci A Commentary Volume 1 | PDF | Leonardo Da Vinci
The Dynamic Sphere: Thesis on the Third State of the Vitruvian Man | SpringerLink