Ade Bethune's manuscript records include a large collection of personal and family materials that document her life's activities, receipt of accolades, background information, chronology of personal and professional events, genealogy, private life, and interests. The collection includes records that span from her childhood in Belgium, to her formative years in New York City, to her lifework and death in Newport, Rhode Island.

Includes Ade Bethune’s personal correspondence with a large number of people on a wide range of subjects, mostly relating to art and religion, revealing a busy social life.