Edwin Crowell Hamblen (1900-1963) served as a professor of endocrinology at Duke University School of Medicine and later chief of the endocrine division and endocrinologist at Duke University Hospital. Types of materials include correspondence, manuscript materials, articles, reprints, photographs, and certificates. Major subjects include Edwin C. Hamblen, Duke University Medical Center faculty, the Department of Obstetrics and Gynecology, reproductive medicine, and endocrine aspects of gynecology. Some materials are in Spanish. Materials range in date from 1930 to 1969.