For the use of families : a plain and familiar treatise on the cow-pox, describing its origin, nature, and mode of inoculation, (with a plate,) whereby any person may distinguish the genuine from the spurious kind-- a distinction of the utmost importance : as the one kind renders the body unsusceptible of the infection of the common small-pox, whilst the other, having only a local effect, leaves it still liable to that baneful disease (1804)