La Plata: 301-934-7676
Leonardtown: 240-725-5360
Prince Frederick: 443-550-6060
"Reference sources" can provide helpful background information about a topic and include sources such as encyclopedias, topic overviews, dictionaries, timelines, and bibliographies.
Online resources such as Wikipedia can be a great start, but usually will not be considered reliable. The following databases have background information from credible sources which you can use and cite in your academic assignments.