For more well known artists, the reference sources listed on the above page may be adequate. For less well known artists try searching artprice.com or do a general Google search and as well as the following newspaper databases. Look for any articles about exhibitions and especially keep an eye out for obituaries.
For artists in the Galesburg area, try searching some of the newspaper sources listed on the Researching Galesburg guide.
If an artist was a Knox student or faculty, search The Knox Student online. Visit the Special Collections & Archives in Seymour Library to find out if our Archives has any relevant information.
Grove Art Online is "the foremost scholarly art encyclopedia, updated regularly and covering global art and architecture from prehistory to present day. It includes peer-reviewed articles contributed by nearly 7,000 scholars from around the world, accompanied by images, bibliographies, and links to additional resources."