Satan's invisible world discovered, or, A choice collection of modern relations [electronic resource] : proving evidently against the saducees and atheists of this present age, that there are devils, spirits, witches, and apparitions, from authentick records, attestations of famous witnesses and undoubted verity : to all which is added, that marvellous history of Major Weir, and his sister : with two relations of apparitions at Edinburgh / by Georg Sinclar.