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 3874.70 Active Floor

  An Active Floor is a volumetric tier within the Tower that has been formally commissioned for cataloguing by the Bureau of Appointments and …

• MS 0745.01 Avians of Floor 440 the Gilded Aviary
• MS 2578.60 Calibration Conclaves
• MS 9817.09 Guild of Indexers

  The Guild of Indexers is a formally recognized governing body within The Tower charged with the definitive categorization, cross-referencing…

• MS 9074.94 Hierarchical Precedence
• MS 3997.04 The Hall of Verified Dim Light
• MS 3790.92 Tower’s Administrative Lexicon