Many interpretations, many men, one cosmic vision. An interesting theory. Perhaps I’ll add EH concepts to this list. 
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I'll however note that there are a few errors in that list (it's Gnoph-Keh, not Gnoph-Hek) as well as some real stretches (HPL and Crowley both mention flutes at least once; what a wild coincidence!). Still, a potentially interesting avenue of research.
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