4 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 6953.92 Aetiological Collectors

  The term Aetiological Collectors refers to the dedicated, if rarely seen, staff assigned to the Sub-Basement of False Causes. Their primary …

• MS 9522.23 Elianne Vosk
• MS 0462.86 Statement of Coherence
• MS 2697.80 The Aperture Seal

  The Aperture Seal is a cerulean wax seal bearing the sigil of the Central Registry, affixed to a registered aperture to transform it into a …