Henry Cornelius Agrippa - Three Books Of Occult Philosophy Book I
Henry Cornelius Agrippa - Occult Philosophy and Magick Book I
William Wynn Westcott - Numbers Their Occult Power and Mystic Virtues
Larry Briskman - Doctors And Witchdoctors Witch Doctors Are Witch
Rabbi Michael Laitman - A Guide of the Hidden Wisdom of Kabbalah
Israel Regardie - Das Magische System des Golden Dawn, Band 3 (in German)