Additional Resources

Manuscript Collections

The National Library of Medicine. History of Medicine Division. Finding Aid to the Clarence Dennis Papers, 1927-2003.


Galletti, Pierre and Gerhard Brecher. Heart-Lung Bypass: Principles and Techniques of Extracorporeal Circulation. New York: Grune & Stratton, 1962.

Romaine-Davis, Ada. John Gibbon and his Heart-Lung Machine. Philadelphia: University of Pennsylvania Press, 1991.



Gibbon, John H. "Artificial Maintenance of the Circulation During Experimental Occlusion of the Pulmonary Artery," Archives of Surgery 34 (1937): 1105-1131.

Wangensteen, Owen H. and Clarence Dennis. "Experimental Proof of the Obstructive Origin in Man." Annals of Surgery 110, no. 4 (October 1939): 629-647.


Dennis, Clarence. "A Modified Whipple Operation for Carcinoma of the Head of the Pancreas." Surgery 12, no. 2 (August 1942): 201-206.

Dennis, Clarence. "Oblique, Aseptic, End-to-End Ileac Anastomosis, Procedure of Choice in Strangulating Small Bowel Obstruction." Surgery, Gynecology, and Obstetrics 77 (September 1943): 225-242.

Dennis, Clarence. "Surgery in Relation to Chronic Non-Specific Ulcerative Colitis." Modern Medicine 28 (March 1945): 228-234.

Karlson, Karl E, Clarence Dennis, and Darrel E. Westover. "Blood Oxygenation. I. The Kolff Aparatus. II. Multiple Horizontal Rotating Cylinders." Proceedings of the Society for Experimental Biology and Medicine 70 (1949): 223-224.

Karlson, Karl E, Clarence Dennis, and Darrel E. Westover. "Blood Oxygenation. III. The Vertical Revolving Cylinder. IV. The Vertical Revolving Cone. Proceedings of the Society for Experimental Biology and Medicine 70 (1949): 225-226.


Dennis, Clarence, Dwight S. Spreng Jr., George E. Nelson, Russell M. Nelson, John V. Thomas, Walter Phillip Eder, and Richard L. Varco. "Development of a Pump Oxygenator to Replace the Heart and Lungs: An Apparatus Applicable to Human Patients, and Application to One Case." Annals of Surgery, 134, no. 4 (October 1951): 709-721.

Newman, Melvin M., Jackson H. Stuckey, Bernard S. Leibowitz, LaVonne A. Young, Clarence Dennis, Charles Fries, Eugene J. Gorayer, Mohammed Zuhdi, Karl E. Karlson, Sheldon Adler, and Marvin Gliedman. "Complete and Partial Perfusion of Animal and Human Subjects with the Pump-Oxygenator." Surgery 38, no. 1 (July 1955): 30-37.

Stuckey, Jackson H., Melvin M. Newman, Clarence Dennis, Bernard S. Leibowitz, Harry N. Iticovici, Eugene J. Gorayer, Marie C. Kernan, and LaVonne A. Young. "The Artificial Heart-Lung Apparatus - Experimental Creation and Repair of Interventricular Spetal Defects." Surgical Forum 6 (1956): 185-189.

Dennis, Clarence. "Certain Methods for Artificial Methods of the Circulation During Open Intracardiac Surgery." Surgical Clinics of North America 36, no. 2 (April 1956): 423-436.

Leibowitz, Bernard S., Melvin N. Newman, Jackson H. Stuckey, Marie C. Kernan, Harry N. Iticovici, and Clarence Dennis. "A Mechanical Pump-Oxygenator for Direct Vision Repair of Atrial Septal Defects." Journal of Thoracic Surgery 32, no. 5 (November 1956): 647-660.


Dennis, Clarence, Juan R. Moreno, David P. Hall, Carl Grosz, Samuel R. Ross, S. Adam Wesolowski, and Ake Senning. "Studies on External Counterpulsation as a Potential Measure for Acute Left Heart Failure." Transactions - American Society for Artificial Internal Organs IX (1963): 186-191.

Dennis, Clarence. "America's Littlewood Crisis: The Sentimental Threat to Animal Research." Surgery 60, no. 4 (October 1966): 827-839.

Goldenburg, Alan L., Louis Brown, and Clarence Dennis. "Relative Evaluation of Left Heart Bypass, Whether Pulsatile or Pulseless, with Counterpulsation as Technique for Myocardial Augmentation." Circulation (Supplement 1) to Volumes XXXV and XXXVI (April 1967): I-188-198.

Dennis, Clarence. "Thoughts on Professional Behavior." [State University of New York Downstate Medical Center] Alumni Today (Winter 1968-1969).


Birtwell, William C., Roy H. Clauss, Clarence Dennis, Dwight E. Harken, and Harry S. Soroff. "The Evolution of Counterpulsation Techniques." Medical Instrumentation 10, no. 5 (September-October 1976): 217-223.


Leiboff, Arnold R., Maureen Crowley, Luann Spano, Gregory Zito, and Clarence Dennis. "Intraoperative High-Flow Antegrade Irrigation: A New Bowel-Cleansing System." Diseases of the Colon and Rectum 28, no. 5 (May 1985): 323-332.

Dennis, Clarence. "Perspective in Review: One Group's Struggle with Development of a Pump-Oxygenator," Trans. American Society for Artificial Internal Organs 31 (1985): 1-11.

Dennis, Clarence. "A Heart-Lung Machine for Open-Heart Operations: How it Came About," Trans. American Society for Artificial Internal Organs 35 (1989): 767-777.