Check out: https://www.rijksmuseum.nl/en/search?s=objecttype&p=1&ps=12&f.principalMaker.sort=Rembrandt%20Harmensz.%20van%20Rijn&ii=0 https://www.rijksmuseum.nl/

Check out: https://www.rijksmuseum.nl/en/search?s=objecttype&p=1&ps=12&f.principalMaker.sort=Rembrandt%20Harmensz.%20van%20Rijn&ii=0 https://www.rijksmuseum.nl/en/search?s=objecttype&p=1&ps=12&... They require you to make an account, but they have tens of thousands of public domain photographs of many of the artworks in their collection.