7 holdings are shelved on this floor. A shared floor records where volumes sit and nothing about what any of them says; these are neighbours, not relations.

• MS 5122.50 Axiom of Unidirectional Time

  The Axiom of Unidirectional Time is a foundational principle within the Tower's temporal archives asserting that, within the Tower's catalog…

• MS 4447.95 Crystalline Resonance (Tower Year 11,892)

  The Crystalline Resonance is the designation applied by the Librarians to the event recorded on the 47th day of the Year of the Lapsed Stand…

• MS 8345.52 Floor 422 ("The Silent Weave")
• MS 3207.00 Luminal Implication Units
• MS 2073.89 Scriptorium of the North Annex
• MS 6589.22 Short Concordance of Year 212

  The Short Concordance of Year 212 was a provisional administrative instrument enacted during the structural crisis precipitated by the Great…

• MS 6633.78 Silent Taxonomy

  Silent Taxonomy is the branch of Tower cataloguing concerned with subjects that are recorded without being inscribed, spoken, or otherwise r…