Seems to me that Phil Furia wrote on Blake in Hell for Paideuma, about 20 years ago. He looked at the Acid/etching process of Blake's work, and the acid bath that Pound/Odyssean traveller undergoes as he emerges from hell. 
 
>>> Jacob Korg <[log in to unmask]> 02/05 11:14 AM >>>
Blake appears in the Cantos. See Wendy Flory's EP and the Cantos,p. 90 ff/
 
On Tue, 2 Feb 1999, Bob Tilewick wrote:
 
> Any recommendations of good sources for a discussion of Pound's views (if
> any) of Blake?  Did he himself express them in any of his non-fiction
> essays?
>