1. Stedman's Medical Dictionary,1982
2. Natural and Political Observations Mentioned in a Following Index and made upon the Bills of Mortality;Graunt,1662
3. The World of Mathematics,1956
4. The Great Doctors;Sigerist,1933
5. Social and cultural influences in cardiovascular disease: a review;Dressler;Transcult. Psychiat. Res. Rev.,1984