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 2215.76 Cartography
• MS 0404.28 Office of Chief Archivist

  The Office of Chief Archivist (OCA) is the principal administrative and archival body of the Tower, charged with the maintenance, verificati…

• MS 7846.99 Vector Alpha

  Vector Alpha is the primary procedural and assessment framework mandated for the cataloging and memorialization of subjects whose nonexisten…