Satan's invisible world discovered [electronic resource] : or, a choice collection of modern relations, proving evidently against the atheists of this present age, that there are devils, spirits, Witches and Apparitions, from authentic Records, Attestations of Witnesses of undoubted Veracity. To which is added, that marvellous history of major Weir and his sister, the Witches of Bargarran, Pittenweem and Calder, &c. By Mr George Sinclair, Late Professor of Philosophy in the College of Glasgow.