Order of Nine Angles - A Guide to Dark Sorcery (O9A Website Archive 2012)
Order of Nine Angles - Satan, Demons And The Noble Dark Arts Of O9A
Carroll Runyon - The Secret Of The Dark Mirror
Franz Hartmann - PARACELSUS And The Substance Of His Teachings
Eduard von Hartmann - Geschichte der Metaphysik (1899,in German)
Zenaide Alexeievna Ragozin - Siegfried The Hero of the North And Beowulf The Hero of the Anglo Saxons