The Important Results of an Elaborate Investigation Into the Mysterious Case of Elizabeth Fenning: Being a Detail of Extraordinary Facts Discovered Since Her Execution, Including the Official Report of Her Singular Trial, Now First Published, and Copious Notes Thereon. : Also, Numerous Authentic Documents; an Argument on Her Case; a Memorial to H.r.h. the Prince Regent; & Strictures on a Late Pamphlet of the Prosecutors' Apothecary