6 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 4477.94 Concordance Revision Office
• MS 4650.92 Review of Aperture Efficacy
• MS 7929.38 School of Literal Inventory

  The School of Literal Inventory is a cataloguing body of the Tower, founded in the winter of 1147 by seven clerks of the Ninth Gallery who h…

• MS 2819.38 Second Reconciliation of Counts
• MS 0362.20 Standardised Transit Units (STUs)

  Standardised Transit Units (STUs) are the Tower's fixed measures of passage, denoting the distance a single authorised traveller may be conv…

• MS 3164.09 Theoretical Stacks

  The Theoretical Stacks is the collective administrative designation for those holdings of the Tower which are catalogued in full but do not …