Im looking for an authoritative source on Enochian Gematria. So far I have come across several different systems, but I merely see them presented with no further elaboration as to how the letter - number correspondences were derived. Clearly, this is a system that has yet to be perfected/discovered, but surely there must be someone who has taken a scholarly approach towards compiling the various attempts and explaining how the numeric correspondences were deduced.
Links, references to books, and your own words and thoughts would be greatly appreciated.
Thanks in advance!