Thanks very much for this link.
I have read books by G.R.S Mead on Gnosticism, and other authors. I had been planning to read Mead’s translation of the Pistis Sophia (I’d read a summary by him in his overview of Gnosticism), but it seems to me Hurtak’s would clearly be the better translation to read at this point (Mead was an excellent scholar but his was pre Nag Hammadi and I doubt he brings much qabalistic commentary into it, as he doesn’t elsewhere).