9 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 9028.98 Ambulatory Annex

  The Ambulatory Annex is a designated classification of autonomous, migratory holdings within The Tower whose physical or conceptual location…

• MS 2438.55 Circulation Division

  The Circulation Division is the administrative body charged with the oversight, measurement, and reconciliation of all passive movement of a…

• MS 4501.17 Class Λ
• MS 3912.44 Concordance Five, Clauses 18–23
• MS 0552.19 Department of Provisional Archives
• MS 0267.06 East Helical
• MS 3333.32 Minor Anterooms
• MS 7854.52 Registry of Acoustic Properties

  Registry of Acoustic Properties is the official and definitive classification system for the acoustic signatures of all structural, atmosphe…

• MS 1069.05 Shelf of Unwritten Symphonies