Articles that include images of specific pieces will often include the term Reproduction in the citation information. The following databases are generally useful resources for finding images in articles:
Artstor is JSTOR’s cross-disciplinary collection of over 2 million rights-cleared images from around the world and composed of approximately 300 curated subcollections. Note: Artstor is now on JSTOR. The Artstor website retires on August 1, 2024.
Many museums have searchable databases of their collections. Below are some museums and libraries with rich collections. If you know a museum has holdings of artwork you are researching, find the website and look for the "collections" feature on the website.