• The Books .(that Poe & Usher read in The House Of Usher, they are real books unlike the trist about Ethelbert and the Dragon at the end of the story. )

''We pored together over such works as-;

• the Ververt et Chartreuse of Gresset;-(1709-1777) wrote the anticlerical Vairvert & Ma Chartreuse
• the Belphegor of Machiavelli;-By Nicholas Machiavelli (1469-1527),a demon comes to Earth to prove that woman damn man to hell.
• the Selenography of Brewster; Sir David Brewster (1781-1868)Scottish physicst who studied optics & polarized light -
• the Heaven and Hell of Swedenborg-(1688-1772)-Swedish Scientist & Mystic presents a fantastical precise anatomy of living conditions in Heaven & Hell, seeing the two places as mutually attractive opposites.
• the Subteranean Voyage of Nicholas Klimm de Holberg-(1684-1754)-Was a Danish dramitist & historian , deals with the voyage to the land of death & back.
• the Chiromancy of Robert Flud,-(1574-1637)-English Physician & noted Rosicrucian then being a new organization of esoteric philosopy & theology that purported to be based on ancient law from the middle east.
• of Jean d'Indagine,-( Early 16th century)-Palm Reading
• and of
• De la Chambre; (1594-1669
• Ludwig Tieck (1773 -1853) The Journey into the Blue Distance of Tieck; - about a journey into another world
• and the City of the Sun by Campanella.- also wrote on Palm reading
• Directorium Inquisitorium by Dominican Eymeric de Gironne;-
• and there were passages
•  in Pomponius Mela .- (1st Century )was a Roman whose widley used on geography described strange beasts ("oegipans" are African Goat men).

Ushers cheief delight , however was found in the earnest and repeated perusal of an exceedingly rare and curious book in quatro Gothic-
the manual of the forgotten church--the Vigilae Mortuorum secundum Chorum Ecclesiae Maguntinae.

 (Taken from Norton American Literature Sixth Edition)