5 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 0626.28 Crystalline Archives

  Crystalline Archives are the distributed collection of floors, vaults, and resonant holding-rooms within the Tower devoted to the cataloguin…

• MS 1961.98 Floor 120

  Floor 120, officially cataloged as the Fortified Printworks, is a manufacturing and editorial floor responsible for the authorized productio…

• MS 3866.09 Fortysecond Concordance

  The Fortysecond Concordance, formally "Concordance 42: On the Classification of Ephemera and the Rights of the Unfixed," is a foundational y…

• MS 7288.55 Office of Procedural Calibration

  "A procedure, once calibrated, ceases to be merely a description of action and becomes a dimension of the Tower itself."…

• MS 4261.63 Refractive Citations