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 5500.28 Abstract Concepts

  The term abstract concepts designates, within the Tower's technical vocabulary, those entities which possess no dimensions, weight, or locat…

• MS 5723.00 Heissen-Marlo Resonator
• MS 0614.60 Investiture Basin
• MS 4036.81 Recantation

  Recantation is the formal procedure by which a catalogued entry is revoked, withdrawn, or declared to have never held primary status. Within…