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:
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.
Dr. Martin Luther King, Jr. Library
One Washington Square | San José, CA 95192-0028 | 408-808-2000