4 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 9724.96 Clause 2 (The Indexical Anchor)
• MS 2081.04 core axiom of the 42nd Concordance, Annex Γ
• MS 1385.06 Floor 4044

  Floor 4044, officially designated as the "Bureau of Coincidental Resonance" and sometimes colloquially referred to as the 'Humming Shelf' or…

• MS 2685.30 West Spiral Staircase