De Heptarchia Mystica

De Heptarchia Mystica, or On the Mystical Rule of the Seven Planets, is a book written in 1582–83 by English alchemist John Dee. It is a guidebook for summoning angels under the guidance of the angel Uriel and contains diagrams and formulae.^[1]

John Dee's Heptarchic lamen in Enochian (left) and English (right)

See also

• De Occulta Philosophia
• Heptameron