83 Dionysus manifests himself in Dick's writings in both benevolent and malevolent incarnations... The demonic "Dionysus element" in Dick's fiction emerges again and again and is constantly expressed in various guises, from his earliest work to his last.
88 The universe in which "Upon the Dull Earth" takes place is not a recognizably Christian one but a Gnostic, perhaps Neoplatonic variant.
90 "Dionysian vertigo"
94 approaching him through historiographers of esoteric religion