Magical Elements (Heptameron) and Agrippa's Fourth Book

Indeed, the characters which are received through the revelation of spirits have power from that: because they are certain hidden seals constituting the harmony of some Divinity: or they are signs of a sworn treaty, and of promised faith, or obedience, and those characters can be investigated in no other way.

Furthermore, beyond the characters, there are certain familiar figures and images of evil spirits, in the form of which they are accustomed to appear and present themselves to those who invoke them. These images are found by means of the following table, according to the arrangement of the letters that con