Around the turn of the century, when Aleister Crowley was working out his system of Magick, the source that he turned to for basics was the system of Abramelin of Egypt. From Abramelin he took his concepts of protections, purifications, evocations, vestments, and dromena down to specific details.
This system of Abramelin the Mage is known from a unique fifteenth century manuscript preserved in the Bibliotheque de L'Arsenal in Paris. In it, Abraham of Wurzburg, a cabalist and connoisseur of magics, describes a tour that he made of the then civilized world, visiting sorcerers, magicians, and...