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 Henry Cornelius Agrippa - Occult Philosophy and Magick Book III
MaryLynn Saul - A Rebel And Witch The Historical Context
Fabre d'Olivet - Les Montagnards des Alpes II (1837,in French)