Jackson Maya Book Cover (IMAGE) University of Cincinnati Caption Jackson's research is the first to discuss courtiers' roles as formalized offices and portray some of the individuals who held them. Credit Provided by Sarah Jackson, the University of Cincinnati Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.