Thaumaturgia; Or, Elucidations of the Marvellous

"Thaumaturgia; Or, Elucidations of the Marvellous" is a mystic book written by the anonymous author under the pseudonym Oxonian, which hints at his relation to Oxford University. The book touches upon several spiritual, supernatural, and religious topics, such as demonology, magic, magical rite, Jewish magi, divinations, the history of oracles, etc.