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 6018.57 Concordance 102

  Concordance 102 is a parchment scroll, 4.7 meters in length when fully unfurled, housed in a tempered glass case on Floor 219, also known as…

• MS 9910.13 Echo-Glass Production

  Echo-Glass Production refers to the strictly regulated industrial and artisanal processes for creating the semi-resonant material known as E…

• MS 2247.46 Ontological Primacy of the Entry
• MS 7075.30 Standard Cartographic Protocol
• MS 7463.17 Thirteen-Sided Room