Contains correspondence, receipts, notes, minutes, agendas, guides, travel materials, and reprints pertaining to Sealy's professional organizations and societies. Major subjects include the American Association for Thoracic Surgery, American Board of Medical Specialties, American Board of Surgery, American Board of Thoracic Surgery, American College of Cardiology, American Surgical Association, Internal Cardiovascular Society, Society of Thoracic Surgeons, Society of University Surgeons, Southern Surgical Association, and Southern Thoracic Surgical Association. Materials range in date from 1954 to 1979.