1922. Contents: Hebrew alphabet and its heiroglyphical significance; explanatory note on the letters; Qabalistic definitions of the snake Nachash; lesson of Nachash; Brotherhood of the White Lodge; initiation according to the Qabalah, from a scientific and philosophical point of view; the Qabalah; soul of the Qabalah; examples of permutation and numerical valuation; literature of the Qabalah throughout the ages.