Background sources help broaden an understanding of a topic and expose you to new/different terminology that will be useful in searching databases or the web. Formats include encyclopedias, handbooks, and other reference materials. At the bottom of this page there are a few reference databases that offer access to a wealth of additional information.
This is not a comprehensive list, but merely a place to start. If you need something different, try searching one of the following Reference Databases or our catalog (which helps you search across the physical books that we have in Bird and Carnegie Libraries.)