Once you run a search here you can narrow it even more by checking "topics" boxes in left column.
Searches here may lead you to encyclopedia articles with some mention of your topic or artwork.
Through Proquest Historical Newspapers you can search the New York Times and the Los Angeles Times, going way, way back to the nineteenth century!
If you're off campus, don't forget to log into your portal before searching the library's databases.
Beginning April 1, 2010, the Getty Museum offers the online database, Bibliography of the History of Art, for free access. Formerly a subscribed resource, it is now freely available through their website.