William Wynn Westcott - Numbers Their Occult Power and Mystic Virtues
William Wynn Westcott - An Introduction To The Study Of The Kabalah
Joseph John William - VooDoos And Obeahs Phases of West India Witchcraft
Stephen Flowers - Black Runa
Saint Yves D'Alveydre - Nos Maitres (1910,in French)
Howard Phillips Lovecraft - Fungi from Yuggoth