The LP's of the Thelemic sort.
Here are the few records I have found over the years that seem interesting.
The Jimmy Page piece is exceedingly rare. If you find it, buy it.
The Current93 Hastings Archive is just a great and very nicely produced.
Current93 The Hastings Archive
Forum Agency 1976 Crowley Wax Cylinder Recording 7"
Transparency CD (Wax Cylinder Variant)