Scot's Discovery of vvitchcraft : proving the common opinions of witches contracting with divels, spirits, or familiars ... to be but imaginary, erronious conceptions and novelties : wherein also, the lewde unchristian practises of witchmongers, upon aged, melancholy, ignorant, and superstious people in extorting confessions, by inhumane terrors and tortures is notably detected ... : whereunto is added, a treatise upon the nature and substance of spirits and divels, &c. /