| RefNo | Title |
| EUL MS 384 | Northcott Theatre Programmes |
| EUL MS 468 | Northcott Theatre Recordings |
| EUL MS 348/BUILD/5 | Northcott Theatre Technical Drawings: Exterior Lighting Proposals |
| EUL MS 500 | Marston Collection of Northcott Theatre Programmes |
| EUL MS 498 | Barnfield Theatre Archive (CATALOGUING IN PROGRESS) |
| EUL MS 348 | Northcott Theatre Archive |
| EUL MS 383 | Nicholas Toyne: photographic archive of Northcott Theatre productions |