Reference materials are a great way to get an overview of your topic. They do not generally circulate outside of the library, but you can make copies of important content using the copier by Ms. Foust Colburn's office.
Reference materials include:
When using these sources, start with the index (often in the last volume if the material is a multi-volume set). You can also try the table of contents or the appropriate volume for your subject's name if the resource is arranged alphabetically.