You can now use over 375,000 images from the Met Museum for free, yes that is correct. The Metropolitan Museum of Art in New York City has announced that thousands of pieces of art images in its collection are now in the public domain and can be used without restrictions.
This is part of their Open Access policy. It allows you to use their images for commercial and noncommercial use, free of charge and without any permission. Think about the children's books or coloring books you could make. The images are under the Creative Commons rules which govern how information is shared.
You can read more about the new policy at, https://mymodernmet.com/metropolitan-museum-of-art-open-access/
Here is the link for the Met Collection, https://www.metmuseum.org/art/collection, Click on Open Access Artworks, and click on the Open Access box in the search window.
This is a great resource for artwork for our books and publications. As they say on the Met site, Open Access Artworks, Enjoy more than 406,000, (looks like they are continuing to add to the collection), hi-res images of public domain works from the collection that can be downloaded, shared, and remixed without restriction. [Fantastic]
If you want to access more museum and collection images you can also search the collections on the Creative Commons site. CC has over 20 collections of images that are in the public domain and that you can use to create books, design projects, https://ccsearch.creativecommons.org/collections. These images are classified as Creative Commons 0 or CC0, which is their public domain label.
Be sure to always learn about your images and what rights apply to each. Here is a good place to start, https://ccsearch.creativecommons.org/about
