The information came from the text we used at the School of Mystical Science, Tarot by Paul Foster Case. I have a copy of it around here somewhere and if I can find it I'll give you the page number if it's any help. The Builders of the Adytum is still in existance if you'd like more information. IIRC, the BOTA, founded by Paul Foster Case is an off shoot of the Golden Dawn and really interesting considering it's lineage. Isreal Regardie published a book called the Golden Dawn, a must have if you're going to delve into this society made up of folks like McGregor Mathers, Yeats (the poet), Aliester Crowley, the self proclaimed Great Beast and author of Magick in Theory and Practice . I could go on and on but Case claims the Tarot was put together in 1250AD/Morroco.
I might add, confusion and the western mystical tradition go hand in hand but there's a ton of information available if you want to slog through it.
It works like this or so I've found, Eastern, user friendly-Western, a gold mine of information. Blending them together gives you the best of both worlds. An example is reiki which is the purest alchemical system *I've* ever come across. Transformation of the self, does it get any simpler. But listen to me, preaching to the choir, Lemme get some sleep.
