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 3365.48 Arbela

  Arbela is a spiral access tunnel located on the 712th Floor (designated the Floor of Anticipated Echoes), notable for its role in the proced…

• MS 4435.45 Foundational Registers

  Foundational Registers are the primary catalogue series established at the inception of the Tower's classificatory order, preceding and unde…

• MS 4395.33 Librarians' Adjudicatory
• MS 1334.20 The Contestation of the Annexes (312 SC – 489 SC)