1. 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 make publick, incontestibly proving their sovereign efficacy in fevers, &c Author(s): Norris, Thomas, active 1780, author Publication: London : Printed for the author, and given gratis by Messrs. Fielding and Walker, booksellers ..., MDCCLXXVIII [1777] Subject(s): Pharmaceutical PreparationsFever