An essay on the smallpox. With regard 1st, to its specifick cause. 2dly, to its true nature and essence. 3dly, to the best methods of curing it. To which is subjoin'd, seasonable reflections and considerations on the modern practice of inoculati
Perry, Charles,1698-1780.
[Dublin] : London printed, Dublin re-printed by and for J. Kinneir and A. Long,
1747.
ESTC