Discovering the Art of Leonardo Da Vinci Artworks: Helpful links

Leonardo da Vinci at WebMuseum, Paris

Leonardo at the Museum of Science

Leonardo at the Artcyclopedia

Complete text & images of Richter's translation of the Notebooks

Leonardo da Vinci in the 1913 Catholic Encyclopedia

Museo Nazionale della Scienza e della Tecnologia

Leonardo da Vinci: Experience, Experiment, Design (review)

University of California, Museum of Paleontology

Works by Leonardo da Vinci at Project Gutenberg

Leonardo da Vinci by Maurice Walter Brockwell, available at Project Gutenberg.

Da Vinci Decoded Article from The Guardian

The true face of Leonardo Da Vinci?

Web Gallery of Leonardo Paintings

Drawings of Leonardo da Vinci