Abdul Alhazred - Al Azif The Cipher Manuscript Known As Necronomicon
Aleister Crowley - The Necronomicon
Simon - The Complete Simon Necronomicon
Genevieve Petty - Tantric Influences on Thelema
Max Heindel - The Rosicrucian Mysteries
Israel Regardie - Das Magische System des Golden Dawn, Band 2 (in German)