Satan's invisible world discovered; 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, and undoubted Verity. To which is added, that marvellous history of Major Weir and his sister, the witches o Bargarran, Pittonweem, and Calder, &c. By George Sinclair, Late Professor of Philosophy in Glasgow.