The Cruel French lady, or, A True and perfect relation of the most execrable murthers committed by a French lady upon the persons of her own father, two brothers and sister, with a particular account how she contracted for 12,000 crowns with a French apothecary to extract poysons for her ... [electronic resource] : with the manner how they put them in use ... : together with an account how their devilish practice came to be discovered / faithfully rendred from a relation sent from Paris.