| Reference Number | Title | Date | Series |
| RNT/CO/1/406 | The Mysteries | 1999 | Costume Department Production Files |
| RNT/PP/5/373 | The Mysteries | 1999 | Rehearsal Photographs |
| RNT/PR/3/532 | The Mysteries | 1999 | Rehearsal and Production Photographs |
| RNT/PR/4/1/686 | The Mysteries | September 1999 - April 2000 | Press Production Review Files |
| RNT/PP/2/4/218 | The Mysteries | 18 December 1999 | Cottesloe Posters |
| RNT/PP/1/4/211 | The Mysteries | 18 December 1999 | Cottesloe Programmes |
| RNT/SM/2/2/201 | The Mysteries - The Passion | 1999 - 2000 | Cottesloe Show Reports |
| RNT/PO/1/1/199 | The Mysteries | 2000 | Cottesloe Production Office Show Files |
| RNT/PR/9/13 | The Mysteries - The Passion | 1999 | Artwork |
| RNT/R/1/3/4 | The Mysteries LP | 1999 | Music |
| RNT/PR/2/3/290 | 'The Mysteries' | 4 October 1999 | Press Releases 1990-1999 |
| RNT/PP/3/1/22 | 1999 | 1999 | NT Production related printwork |
| RNT/SO/2/1/81 | The Mysteries - The Passion | 22 January 2000 | Master Recordings |
| RNT/SO/2/2/82 | The Mysteries - The Passion | 22 January 2000 | Viewing Recordings |