Book
Orders of the Quest: The Holy Grail
A volume in the Adepts series tracing the legend of the Holy Grail and the secret fraternities associated with its quest.
Where to find it
- Google Books — Orders of the Quest: The Holy Grail (Manly Palmer Hall, Philosophical Research Society)
- Open Library — Orders of the Quest, The Holy Grail (Adept Series) by Manly P. Hall
- Internet Archive — The Adepts in the Western Esoteric Tradition: Orders of the Quest (Manly Palmer Hall)
- Philosophical Research Society store — Orders of the Quest: The Holy Grail (e-Book, PDF 533-5)