A short essay on the virtues of Dr. Norris's drops for fevers: to which are added, letters and certificates of many extraordinary cures, among a great number of others not made public, incontestibly proving their sovereign efficacy in fevers, &c
London : Printed for the author, and to be had at his house, or at his laboratory, and by all other vendors of these drops, most of whose names are inserted at the end of this essay, 1783