2 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 3734.72 Artifact 306-σ-99 (Collective)
• MS 2946.08 Unstable Concepts

  An unstable concept is any idea, object, or phenomenon whose ontological status within the Tower is subject to conditional, probabilistic, o…