4 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 9797.53 Primary Cultivar (PC)

  Primary Cultivar (PC) refers to the most stringently controlled lineage of lumen-moss, cultivated within the Vault of Primary Measures for t…

• MS 0407.54 Revision 9.4 of On the Provenance of Holdings

  Revision 9.4 of On the Provenance of Holdings is the definitive, ninth, and final formal revision of the procedural manual governing the ori…

• MS 1890.69 Subclause 4.3 (Procedural Override)
• MS 4498.25 The Gallery of Unfinished Gestures (Floor 404)