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 5921.17 Clause 881.4
• MS 1359.49 Fixtures Catalogue
• MS 3811.16 Seventeenth Concordance
• MS 3219.91 Standard Conceptual Units (SCU)

  The Standard Conceptual Unit (SCU) is the Tower's base measure of conceptual motility, defined as the quantity of concept required to displa…

• MS 2110.75 Wren of the Spiral Stair

  "An identity, like a Concordance, may be superseded without being invalidated." – Clause 47, Addendum Ω, Ninth Concordance, as cited by the …