Floor 4,263
- Holdings shelved
- 4
- Survey
- incomplete
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 7349.14 Corridor of the Sixth Deferral
- MS 7924.27 Expedition Support Bureau
- MS 3048.14 Provisional Holding Cell
- MS 1478.80 Tier Delta (Experimental)