Subject headings are often a more accurate and comprehensive way of searching for a topic than keyword searching. Subject headings can be found on the left-hand column of search results in the catalog, or at the end of a book's catalog entry.
Here are some sample subject searches:
Remember to try searching for art by the country, time period, medium, style, or school of art. You can also search for particular artists by name; for very famous artists there may be too many results, so you might want to add to your subject search things like "portraits" or "sketchbooks" or "criticism."
Youtube Video - How to Search for Ebooks
Most of the resources listed here are available only to Calvin users, but if you're looking for open access images (free or public domain), check out the suggestions in one of these comprehensive guides created by other librarians: