A primary source is firsthand testimony or direct evidence concerning a topic, an event, a person's life, original works of literature, and historical facts. It consists of original materials that have not been filtered through interpretation, condensation, evaluation or any type of commentary.
Examples:
A concise selection of Primary Resource Databases can be viewed below.
For a complete index, please visit http://libraries.luc.edu/databases/all?type=Primary+Resource.