The Magus (Barrett book)
The Magus, or Celestial Intelligencer is a handbook of the occult and ceremonial magic compiled by occultist Francis Barrett published in 1801. == Contents and sources == Much of the material was collected by Barrett from older occult handbooks, as he hints in the preface: We have collected out of the works of the most famous magicians, such as Zoroaster, Hermes, Apollonius, Simon of the Temple, Trithemius, Agrippa, Porta (the Neapolitan), Dee, Paracelsus, Roger Bacon, and a great many others...