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 4589.15 Conceptual Partitions
• MS 1028.51 Potentiality Sonder
• MS 3734.76 The Laughing Gutter (Floor -907, "Antechamber")

  The Laughing Gutter is a primary drainage and acoustic management channel located on Sub-basement Gamma, the designated infrastructure annex…

• MS 9632.87 The Prismatic Itch