1. Society of Actuaries: Build and Blood Pressure Study. Vol. II, 1959.
2. Prognosis of cardiovascular disease;Ungerleider;Am. J. Cardiol,1964
3. The Complications of Modern Medical Practice;Spain,1963
4. The Nature of Essential Hypertension;Pickering,1961
5. Headache and hypertension;Steward;Lancet,1953