Siebeck, Goethe als Denker (1902); F.
Egyptian thought ascribed this function to Thoth, who played somewhat different parts in different systems, but emerges as the representative of the immanent intelligence (1888); Siebeck, Lehrbuch der Religionsphilosophie (1893); Dorner, Grundriss der Religionsphilosophie (1903).
Siebeck proposed to distribute religions in three grades: (I) Nature-Religions, i.e.
Caird, The Evolution of Religion (2 vols., 1893); Siebeck, Lehrbuch der Religionsphilosophie (Freiburg i.
Siebeck would reduce it within very small dimensions, but this is not borne out by the concise history found at Herculaneum (Index herc., ed.
Siebeck, Untersuchungen zur Phil.