6 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 9362.21 Concordance 44, Clause 812

  Concordance 44, Clause 812 is the standing provision governing the reassignment of floor numbers within the Tower, and the procedures by whi…

• MS 3867.03 Cross Reference Check With Negative Holdings
• MS 9890.45 Fourth Axiomatic Survey

  The Fourth Axiomatic Survey was a formal investigative expedition authorized by the Bureau of Axiomatic Purity between 1878 and 1901 Tower R…

• MS 8267.58 Office of Preliminary Verifications

  The Office of Preliminary Verifications (OPV), a permanent sub-administrative department of the Librarians, is charged with the formal recep…

• MS 3701.61 The Archive of Unfinished Sentences

  The Archive of Unfinished Sentences is a collection of linguistic phenomena housed within multiple annexes of the Tower, documenting sentenc…

• MS 1924.07 The Quarry

  The Quarry is the primary vertical extraction space within the Tower, from which all mineralogical cataloguing and material sampling operati…