Prompt Title: Leonardo Da Vinci's Works

There are several ways to access the works of Leonardo da Vinci for research:

1. Visit a museum: Many of Leonardo da Vinci's artworks are on display in museums around the world, such as the Louvre in Paris, the Uffizi Gallery in Florence, and the National Gallery in London.

2. Online museum collections: Many museums have digital collections that allow you to browse their artworks online, including works by Leonardo da Vinci. Some examples include the Google Art Project, the Metropolitan Museum of Art's website, and the British Museum's website.

3. Online archives: Some institutions have digitized archives of Leonardo da Vinci's manuscripts, including the Royal Library of Turin and the British Library. These archives can be accessed online for free.

4. Online books and articles: Many books and articles have been written about Leonardo da Vinci's life and works, and many of these can be accessed online through academic databases or online book retailers.

5. Online images: There are many websites that feature high-quality images of Leonardo da Vinci's artworks, which can be useful for research purposes. Examples include Wikimedia Commons, Artstor, and the Web Gallery of Art.