1598 - Thyraeus, Petrus. The author concluded that phenomena associated with hauntings are hallucinations caused by demons or spirits. This work inquires into the nature of demonic possession, its signs, how it occurs, whether witches, magicians, diviners, or heretics are possessed (usually not) whether the Church should be sought to exorcise them (he believed not).
Illustration of a magic circle ritual. Credit: Wellcome Library, London (http://wellcomeimages.org) / Compendium rarissimum totius Artis Magicae sistematisatae per celeberrimos Artis hujus Magistros. Anno 1057. Noli me tangere.