The Aethyrs are often introduced as thirty visionary levels. In Liber Scientiae they first organize an earthly administration: ninety-one named parts, their governors, minister counts, directions, and superior rulers.
- Primary book
- Liber Scientiae, Sloane MS 3191
- Structure
- 29 groups of three; TEX has four
- Total
- 91 earthly parts
Liber Scientiae is an administrative table, not a visionary ladder
The British Library locates Liber Scientiae Auxilii et Victoriae Terrestris in Dee’s autograph ceremonial book, Sloane MS 3191. Its first block occupies folios 14r–31r and its continuation folios 52r–80v, with the Heptarchia Mystica physically between them. Dee’s heading dates the collection to 2 May 1585 at Kraków. That arrangement matters because the work is neither one continuous vision nor a commentary inserted inside the Angelical Calls. It is a separately organized book whose tables coordinate forms of earthly and spiritual jurisdiction.
A row acts like an address. It relates a numbered earthly part or region to a named governor, one of thirty aerial orders commonly called Aethyrs, a count of ministers, directions, and higher rulers. The title’s promise of earthly knowledge, aid, and victory is expressed through this chain of offices: a place is made legible by locating it inside a hierarchy. Later visionary accounts read the thirty names as stages of ascent, but that vertical journey is not the table’s original organizing grammar. In Liber Scientiae, the controlling questions are which part belongs under which order, who governs it, and how the rest of the administrative columns qualify that relationship.
Thirty Aethyrs organize ninety-one earthly parts
The count is almost regular. The first twenty-nine Aethyrs each govern a group of three parts, producing eighty-seven positions. The thirtieth group receives four, producing ninety-one. The unequal final group is structural evidence, not an error to be smoothed away: 29 × 3 + 4 = 91. “Thirty” therefore counts the higher grouping names, while “ninety-one” counts the entries distributed beneath them. Calling every item an Aethyr or every seven-letter name a separate aerial level collapses two tiers of the scheme.
The later Equinox I:7 table makes the relationship compact by printing an Aire beside a sequence headed “Names of Governors” and their minister totals. That digest preserves the group arithmetic but omits much of the older register’s terrestrial apparatus. Sloane MS 3678, Ashmole’s later copy of Sloane MS 3191, represents a separate manuscript witness; the Equinox table represents a much later printed selection. Agreement on thirty groups and ninety-one names shows continuity in the framework, while changes of spelling, headings, omitted columns, and diagrammatic placement show how the framework was repurposed.
Worked reading: TEX’s four governors complete the ninety-one
TEX, the thirtieth Aethyr in the later printed order, is the best control for the whole scheme because it breaks the expected three-row rhythm. The Equinox I:7 places TAOAGLA, GEMNIMB, ADVORPT, and DOZINAL beneath TEX at ordinal positions 88–91. The first name begins the exceptional group; DOZINAL closes both TEX and the complete roster. If TEX is given only three governors, the table stops at ninety. If DOZINAL is moved into a thirty-first Aethyr, the table reaches ninety-one only by changing the thirty-part superstructure. The fourth row is therefore required by both totals.
The four printed minister counts are 4,632 for TAOAGLA, 9,636 for GEMNIMB, 7,632 for ADVORPT, and 5,632 for DOZINAL. Their subtotal is 27,532. These numbers do not generate the ordinal count; four rows do that; but they show that each name retains its own administrative record inside the group. Reading across the row identifies one governor and its ministerial force; reading down the last group shows how four such offices answer to TEX. The name of the Aethyr, the governor name, the ordinal part, and the minister count are four different fields rather than four titles for one entity.
This also prevents a common misreading of later visionary material. Crowley’s account of the vision of TEX includes four archangelic figures, but those visionary figures are not simply TAOAGLA, GEMNIMB, ADVORPT, and DOZINAL renamed. The four governor rows already belong to the ninety-one-part register; the four figures belong to a later narrated vision. The matching number makes comparison tempting, yet the sources give the groups different names and jobs. TEX’s table entry completes an administrative count, while the vision stages an initiatory scene.
The nineteenth Call supplies a variable address
The formula conventionally called the nineteenth Call connects the Keys to the thirty Aethyrs by changing the addressed Aethyr name. The Equinox I:8 prints one Call of the Thirty Aethyrs with LIL in the variable position and instructs the reader to vary that name for the desired Aire. TEX is therefore addressed by substituting TEX into a repeated verbal frame. There are thirty applications of that frame, rather than thirty wholly independent compositions. Eighteen fixed Calls plus those thirty addressed applications explain the manuscript title’s forty-eight Keys.
The Call and the Liber Scientiae table still perform different tasks. The Call supplies a verbal approach to an Aethyr; the table supplies the Aethyr’s relation to governors, earthly parts, directions, and ministers. Substituting TEX does not insert all four governor names into the Call, and reading the four TEX rows does not reproduce the Call’s sentences. Their connection is like an address and a directory: one names the destination in speech, while the other resolves that destination into offices and subordinate entries.
Manuscript register, printed digest, and later vision differ
Sloane MS 3191 preserves Dee’s tabular collection in two manuscript blocks. Ashmole’s Sloane MS 3678 is a later copy and can preserve or introduce differences in spelling and layout. The Equinox I:7 compresses the scheme into a twentieth-century teaching table and connects governor names to Watchtower diagrams; I:8 supplies an order of use and the printed Calls. Each witness makes a choice about what the reader needs to see. A list that reproduces only Aethyr and governor can preserve the 30/91 arithmetic while removing terrestrial place, direction, tribe, or superior-ruler fields that explained the older book’s earthly scope.
Crowley’s visionary exploration adds another genre. A vision can narrate symbols, speakers, ordeals, and changing scenes attached to one Aethyr; an administrative table remains stable enough to coordinate multiple columns. The later ascent through thirty Aethyrs is historically influential, but it should not be used to rewrite every governor row as a stage in that personal journey. Conversely, the manuscript’s geographic claims should not be converted into verified modern borders. The defensible comparison follows what each form does: the register classifies, the printed digest teaches a ceremonial system, and the vision interprets experience.
What the scheme can map; and what it cannot
The ninety-one parts belong to an early modern project of universal knowledge. Historical regions, directional claims, tribal correspondences, and spiritual offices can be compared as columns in that project. They do not provide latitude and longitude for ninety-one present-day territories. A modern colored world map must decide how an older place name relates to current borders and which spelling or witness controls the label. Those decisions are additions to the source, even when the underlying group and governor names are accurately transcribed.
The TEX example offers a practical test for any roster or diagram. It should show thirty Aethyrs, preserve four final governor positions, distinguish TEX from the four names below it, and identify the witness used for spellings. A list can pass that structural test while still differing from Dee’s fuller register because it omits earthly or directional columns. The point of the 30/91 scheme is relational: no single name carries its complete meaning in isolation from its row, group, and witness.
References
- British Library, Sloane MS 3191 (Keys, Liber Scientiae, Heptarchia) ↗
- Christopher L. Whitby, John Dee’s Actions with Spirits (University of Birmingham thesis, 1982) ↗
- British Library, Sloane MS 3678 (Ashmole copy) ↗
- The Equinox I:7 (1912), original issue scan ↗
- The Equinox I:8 (1912), original issue scan ↗