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 2500.53 1 Unnamed Month
• MS 7324.28 Commentary on the Aperture Registry, Third Recension
• MS 4922.42 Concordance on Inspection Redress
• MS 2630.72 Floor 891 the Iron Archive

  Floor 891, commonly designated the Iron Archive, is the Tower’s primary repository for all material pertaining to the physical integrity and…

• MS 8545.11 Logbook of Darn
• MS 7833.86 The Moss-Growth Spire Schism (Cycles 12,408–12,708)

  The Moss-Growth Spire Schism, formally recorded as the Schism of the Eastern Stacks, was an extended period of bureaucratic and architectura…

• MS 3886.40 TheĠAlgononĠIncompatibilityĠTheorem