A compilation of passages from the Book of Splendor, the main medieval text of Jewish mysticism, addressing non-verbal sound, song and singing (celestial and human). Indices cross relate between subjects and concepts treated in diverse passages
Mombaer, Jan, d. 1503. Rosetum exercitiorum spiritualium et sacrarum meditationum
Meditation, including yoga exercises, autosuggestion, Silva method, self-hypnosis, rebirthing, as a means of personal improvement, relaxation.