Floor 7,475
- Holdings shelved
- 3
- Survey
- incomplete
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 4047.52 Chrono-Refractive Spectroscope Adjudication Committee
- MS 4978.29 Office of Suspended Verification
- MS 0409.69 Provisional Aperture Registry