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 6120.85 Floor 440

  Floor 440, officially designated the Gilded Aviary (Concordance 72, Annex B.3), is a transitional environmental and classification floor sit…

• MS 1128.29 Inert Material
• MS 4422.78 Red Folio

  The Red Folio is a bound compilation of interdepartmental memoranda, committee resolutions, and provisional amendments generated by the ad-h…

• MS 9591.05 The Department of Ephemeral Taxonomies