A source " that was created later by someone who did not experience first-hand or participate in the events or conditions you’re researching. For the purposes of a historical research project, secondary sources are generally scholarly books and articles. Also included would be reference sources like encyclopedias" 

— University of Illinois Library, 2006.

Suggested keywords and subjects in the catalog:

• governors--Arkansas--biography
• Arkansas -- Politics and government -- 20th century.
• civil rights movement--arkansas
• southern states--race relations--history