Videos and article on Leonardo Da Vinci.

Here I leave a URL with an excellent article on:

Title:   Leonardo da Vinci

Author:  See blog smarthistory.org.

http://smarthistory.org/leonardo-notebooks.html

Copyright:   This work is an open educational resource and This work is licensed under a Creative Common Attribution-Noncommercial-Share Alike 3.0 license.

FUENTE:    smarthistory.org.   http://smarthistory.org/

NOTE: THE PDF AND PAGES THAT I RECOMMEND TO VISIT ARE PROPERTY OF THEIR RESPECTIVE AUTHORS. YOU CAN READ THESE PAGES WHOSE READING IS NOT PROHIBITED. Regards.

Principles of this Blog: My post would always be lower quality than the texts of the experts.