Mr. Merritt maintained that the titles of the books in the special library of thaumaturgical, alchemical, and theological subjects which Curwen kept in a front room were alone sufficient to inspire him with a lasting loathing. This bizarre collection, besides a host of standard works which Mr. Merritt was not too alarmed to envy, embraced nearly all the cabalists, demonologists, and magicians known to man; and was a treasure-house of lore in the doubtful realms of alchemy and astrology. Hermes Trismegistus in Mesnard’s edition, the Turba Philosophorum , Geber’s Liber Investigationis , and Artephous’ Key of Wisdom all were there; with the cabalistic Zohar , Peter Jammy’s set of Albertus Magnus, Raymond Lully’s Ars Magna et Ultima in Zetzner’s edition, Roger Bacon’s Thesaurus Chemicus