Gangleri.nl offers a detailed review examining the Chinese references and comparative triads.
Guénon argues that "The Great Triad" demonstrates how any authentic tradition acts as a mirror, containing universal metaphysical truths found in others. The Great Triad Rene Guenon
The work is considered a masterpiece for its ability to unify disparate traditions, from Hindu Triratna to Christian Spiritus, Anima, Corpus . Recommended Resources for In-Depth Study: Gangleri