7 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 7942.89 Circular 7,441
• MS 3366.08 Fifth Order of Librarians

  The Fifth Order of Librarians is the administrative stratum of the Librarians entrusted with the ratification, custody, and — where necessar…

• MS 6806.44 Floor Sigma-14
• MS 9495.22 Limestone Vein 44 a

  Limestone Vein 44 a is the designation given to the westernmost branch of the Stairwell 44 stonework, a seam of speckled limestone that depa…

• MS 2453.94 Office of Retained Cause
• MS 1266.09 Resolved Anomalies
• MS 2614.10 Verificationists

  The Verificationists were a significant philosophical and cataloguing faction active within the Tower during the latter half of the 42nd Cir…