Aaron Leitch - A Pronunciation Guide to the Angelical Language of Dr John Dee
Edward Kelley - The Angelic Alphabet
Aninymous - The Angelical Alphabet
Aleister Crowley - The Hermit Hymn To Solitude
Montague Summers - Malleus Maleficarum
Frank Rudolph Young - Cyclomancy, The Secret Of Psychic Power Control