5 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 3383.87 Concordance 711 (Annex δ)
• MS 2157.27 Concordance Era (C.E.)

  The Concordance Era (C.E.) is the principal calendrical epoch used for administrative dating within The Tower, defined as beginning with the…

• MS 7202.46 Counter-Signature of the Adjacent
• MS 0198.17 Department of Architectural Symbiosis

  The Department of Architectural Symbiosis is a regulatory body responsible for mediating interactions between contiguous floors of The Tower…

• MS 0111.69 Sympathetic Cascade of Cycle 8,451