1. Surgical Correction of Aortic Insufficiency;Hufnagel;Surgery,1954
2. Surgery of Acquired Diseases of the Cardiac Valves;Hufnagel;GP,1953
3. Henry Ford Hospital: International Symposium on Cardiovascular Surgery, Studies in Physiology, Diagnosis and Techniques, 1955.
4. Problems in the Surgical Treatment of Valvular Incompetence;Logan;Brit. Med. Bull.,1955
5. Some Hemodynamic Effects of the Hufnagel Operation for Aortic Regurgitation;McKusick;Bull. Johns Hopkins Hosp.,1954