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 9481.49 Aperture Tagging
• MS 7368.00 Census of the Whispering Stacks

  The Census of the Whispering Stacks was a formal administrative accounting conducted within a designated sector of the Tower, initiated to r…

• MS 3620.91 Floor 207
• MS 7652.75 Greenhouse of Unusual Lichens

  The Greenhouse of Unusual Lichens is a controlled vertical habitat occupying the interstitial service shaft between Floor 417 (the Index of …

• MS 3127.37 Ink of Designation
• MS 6767.65 Month of Dust
• MS 8218.51 The Stabilization of Spiral 490