Contains files on major subjects in Lyman's career, including techniques for treating various mental illnesses, African-American patients and employees, conscientious objectors, Department of Neuropsychiatry, Highland Hospital, government-sponsored studies on motion sickness, psychiatric attendants, teaching, U.S. Public Health Grants, U.S. Veterans Administration, and areas of the Duke University Medical Center such as the Meyer Ward and the Children's Spastic Dormitory. Materials date from 1927 to 1951.