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 3659.37 Office of Concordant Interpretation

  The Office of Concordant Interpretation (OCI) is the principal administrative arm of the Board of Concordant Interpretation, responsible for…

• MS 6244.97 Procedural Mapping

  Procedural Mapping is the cartographic discipline concerned with documenting the spatial and conceptual relationships between the Tower’s ad…

• MS 7723.15 The Petalline Survey

  The Petalline Survey is an official surveying practice administered by the Office of the Cartographer-Archivist and characterized by its pro…