1. Albertini, H. F. (1618). Quoted by Levy.16
2. Heberden, W.: Commentaries on the history and cure of disease, p. 292.
3. Classic descriptions of disease;Major,1939
4. An inquiry into the symptoms and causes of the syncope anginosa, commonly called angina pectoris; illustrated by dissections;Parry,1799
5. Angina pectoris. A syndrome caused by anoxemia of the myocardium;Keefer;Arch. Int. Med.,1928