Use this worksheet by Professor Matsumoto to evaluate your primary sources.
Use this worksheet by Library Special Collections for questions and resources for finding and analyzing primary sources.
Primary sources are "first-hand" information, sources as close as possible to the origin of the information or idea under study. Primary sources are contrasted with secondary sources, works that provide analysis, commentary, or criticism on the primary source.
Note that the "primacy" of a source can be relative. In cases where original records were lost or a live performance was never recorded, a review or commentary from a third party may be the most primary source available.
For more information on primary sources and to learn how they differ from secondary sources, look over our handout or play our interactive Wheel of Sources game.
Though many UCLA research guides link to primary resources, this list highlights those guides that have significant sections devoted to primary sources. Click on the guide with a relevant topic, and navigate to the section labeled "primary sources" for resources.
The following types of sources are generally considered to be primary sources.