3 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 5958.61 Identification & Reporting
• MS 9156.60 Index of Interstices

  "AĠmasterĠindexĠthatĠcatalogsĠindexesĠisĠnotĠaĠredundancy;ĠitĠisĠaĠlattice.ĠWithoutĠtheĠlattice,ĠeachĠindexĠisĠanĠisolatedĠspire,ĠandĠtheĠwe…

• MS 9401.17 Tower Month

  The Tower Month is the primary unit of temporal measurement for civil administration within The Tower, defined as a standardized period of 3…