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O N T H E I L L U S I O N S O F D E M O N S original: "De Praestigiis Daemonum". The term "illusions" is central to Weyer's argument that "witchcraft" was often a mental delusion or a trick of the devil rather than physical magic., and on Incantations and Poisonings, in six books. Expanded and revised six times by the author, according to the Basel Edition of 1583.
A N A P O L O G E T I C B O O K A defense of his arguments against critics who accused him of being soft on witchcraft., and the False Monarchy of Demons original: "Pseudomonarchia Daemonum", a famous catalog of the hierarchy of Hell frequently cited in later occult literature..
B O O K O N W I T C H E S original: "De Lamiis". Weyer used this term to specifically address the women accused of witchcraft., and on Fictitious Fasts Regarding cases of "fasting girls" or people who claimed to live without food, which Weyer investigated as medical or fraudulent phenomena..
O N T H E D I S E A S E O F A N G E R, and a Book on its Philosophical, Medical, and Theological Cure.
R A R E M E D I C A L O B S E R V A T I O N S, to which is added a second book, now finally translated from the German language into Latin.
A circular library stamp of the Royal Library (Koninklijke Bibliotheek) of the Netherlands. It features a crowned coat of arms with a "lion rampant"—a lion standing on its hind legs—holding a sword and a bundle of arrows. This is surrounded by the Dutch text "KONINKLIJKE BIBLIOTHEEK" (Royal Library).