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 6827.70 Department of Acoustic Anomalies

  The Department of Acoustic Anomalies (DAA) is a regulatory and archival body within the Tower's administrative apparatus, charged with the i…

• MS 2807.42 Fifth Librarian (Spiral Annex)
• MS 0656.13 Floor 11400
• MS 9046.51 Office of Provisional Containment
• MS 0961.41 The Choir That Never Sings
• MS 6617.87 Tier III (Dissolved)
• MS 2535.05 Witnesses