1. Graunt J. (1662) Natural and Political Observations mentioned in a following index and made upon the Bills of Mortality with reference to the Government, Religion, Trade, Growth, Ayre, Diseases, and the several changes of the Said City. T. Roycroft, London 1975; 26, paras 11 and 12; p. 28, para 7 Reprint Edition Arno Press, New York
2. THE COMPONENTS OF SICKNESS: DISEASES, ILLNESSES, AND PREDICAMENTS