8 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 8281.87 Annex 7-B (Non-Interference)
• MS 8601.41 Floor 217
• MS 7513.85 Manual of Essential Metrics
• MS 6950.56 Master Index of Absentia
• MS 6450.22 Oblique Access Permits

  Oblique Access Permits are standardized, laminated documents issued by the Ledger Halls administration and required for unsupervised navigat…

• MS 1558.03 Registry of Floors
• MS 0733.85 Registry of Ingress Instruments
• MS 2034.55 Wandering Index

  Wandering Index is the collective designation for a class of self-relocating catalogues within the Tower, of which the Wandering Index of Fl…