OELLUS offers information about the fastest growing minority population in the United States. The Encyclopedia draws together the diverse historical and contemporary experiences in the United States of Latinos and Latinas from Mexico, Puerto Rico, Cuba, the Dominican Republic, Central America, South America, Europe, Asia, and the Middle East. Over 900 A-to-Z articles address such broad topics as identity, art, politics, religion, education, health, and history. The Encyclopedia fills a void in the historical scholarship of an underserved population.