The Aethyr Call is a single verbal pattern with a changing name. That feature explains the familiar arithmetic of eighteen fixed Calls plus thirty applications.
- Verbal patterns
- 18 fixed + 1 Aethyr pattern
- Named applications
- 30 Aethyrs
- Manuscript count
- 48 Angelical Keys
The counting question
The British Library records Dee’s manuscript heading as forty-eight Angelical Keys. A modern contents page often lists only nineteen Calls. Whitby describes eighteen fixed invocations and a further formula suitable for each of thirty Aethyrs. Count distinct verbal patterns and the total is nineteen. Count the thirty named applications separately with the first eighteen and the total is forty-eight. The numbers answer different questions, so neither should be quietly substituted for the other.
This is why the nineteenth cannot be treated as thirty entirely unrelated compositions. The Aethyr name occupies a variable place in one text. A reading for LIL and a reading for TEX may be distinct applications, but the underlying verbal structure remains related. The thirty names in the 1912 Equinox printing are one named witness to their sequence.
Aethyrs and earthly parts are another layer
The Book of Earthly Knowledge in Sloane MS 3191 is catalogued separately from the Keys. The British Library puts it at folios 14r–31r and 52r–80v, divided by Dee’s Heptarchia. Whitby relates its thirty Aethyrs to ninety-one earthly parts, arranged as twenty-nine groups of three and one group of four. Those parts are not forty-eight more Calls. They are a separate geographical and angelic scheme connected to the named Aethyrs.
The Key text, the Aethyr name used with it, and the related material in Liber Scientiae occupy different manuscript and folio contexts. An undifferentiated online “Enochian chart” may collapse them and make the number ninety-one look like a second list of Aethyrs.
Crowley’s later sequence
The 1912 Equinox article prints the thirty names beside the Aethyr Call and places them within a later occult system. Its framing of the Aires and their spatial order belongs to that publication. Crowley’s visionary account in The Vision and the Voice is a further text of reception. It shows what one twentieth-century writer made of repeated Aethyr work; it does not retroactively become the content of Dee’s 1584 Key or prove the narrated experiences.
The phrase “Call of the Thirty Aethyrs” can describe one verbal form with thirty name substitutions; it does not mean thirty unrelated compositions. Crowley’s later visions are a separate account of reception, not additional Keys in Dee’s numbered manuscript series.
Sources and witness notes
- British Library, Sloane MS 3191 catalogue ↗Autograph volume, forty-eight Keys at folios 1r–13r, dated 13 April–13 July 1584.
- Christopher L. Whitby, John Dee’s Actions with Spirits, vol. 1 ↗Scholarly analysis of the manuscript books, Calls, thirty Aethyrs, and ninety-one earthly parts.
- The Equinox, volume I, number 8 (1912), The Forty-Eight Calls or Keys ↗Original-issue article on printed pages 99–127; the Calls begin on page 103 and the Aethyr Call ends on page 127. Its English renderings and later elemental assignments supply the summary table.
- British Library, Sloane MS 3191, Liber Scientiae entry ↗The separate 1585 Book of Earthly Knowledge at folios 14r–31r and 52r–80v.