Aaron Leitch - A Pronunciation Guide to the Angelical Language of Dr John Dee
Edward Kelley - The Angelic Alphabet
Aninymous - The Angelical Alphabet
Saint Yves D'Alveydre - Testament, Lyrique (1877,in French)
Gabor Klaniczay - Witchcraft Mythologies And Persecutions
Julian Roberts - John Dee Library Catalogue Additions and Corrections 1990 Reprint