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- John Dee's Actions with Spirits: 22 December 1581 to 23 May 1583. 2 vols. Ed. Whitby, Christopher. New York: Garland Publishing, 1988.
- Laycock, Donald. The Complete Enochian Dictionary: A Dictionary of the Angelic Language as Revealed to Dr. John Dee and Edward Kelley. Foreword by Lon Milo Duquette, York Beach, ME: Weiser Books 1999.
- Leslau, Wolf. Comparative Dictionary of Ge'ez (Classical Ethiopic): Ge'ez -English / English- Ge'ez with an index of the Semitic roots. Wiesbadan: Otto Harrassowitz. 1991.
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- Liber Henoch Æthiopice, ad quinque codicum fidem editus cum variis lectionibus. Ed. Dillmann, A. Ms. 5. Leipzig. 1851.
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- Trithemius, Johannes. Steganographia Book One. n.d. [2].
- Asprem, Egil. 'Enochian' Language: A proof of the existence of angels? in Skepsis, published 13.12.2006, [3].
- Brooks, Lester. Civilizations of Ancient Africa. New York: Four Winds Press, 1972.
- Harkness, Deborah. John Dee's Conversations with Angels: Cabala, Alchemy, and the End of Nature. Cambridge: Cambridge UP, 1999.
- Laycock, Donald. Enochian: Angelic language or mortal folly?, 19-64 in: The Complete Enochian Dictionary, edited by Laycock and Steven Skinner. York Beach, ME: Weiser Books 1999.
- Mandeville, John. The Travels of Sir John Mandeville. Translated by C. W. R. D. Mosley. Harmondsworth, England: Penguin, 1983.
- Phillipson, David. Ancient Ethiopia. London: British Museum Press, 1998.
- Schmidt, Nathaniel. Traces of Early Acquaintance in Europe with the Book of Enoch. Journal of the American Oriental Society 42 (1922): 44-52.
- ↑ D. C. Laycock, E. Kell, Dr J. Dee : The Complete Enochian Dictionary: A Dictionary of the Angelic Language As Revealed to Dr. John Dee and Edward Kelley, Weiser Books, 2001 (ISBN 978-1-57863-254-1) pp. 46–47