Anthropologist. Professional correspondence (1936–1977) of Elizabeth “Betty” Clark Rosenthal, and printed research materials (1876–1989) on Indians of the Southwest, collected during Rosenthal’s career as an anthropologist and Indian advocate. Rosenthal served as program director of Intercultural Studies Group in New York City, New York, a regional association concerned with the interrelationships between Indians and non-Indians with respect to education, the arts, and community services. Rosenthal was associated with Episcopal Church missions to Indians and was the founder of United Scholarship Service, Inc., which brought American Indian students to study at New England schools and colleges.