| Reference Number | Title | Date | Series |
| RNT/SM/1/501 | The Mentalists | 2002 | Prompt Scripts |
| RNT/PO/2/1/160 | Transformation Season | 2001-2011 | Lyttelton Production Office Show Files |
| RNT/PR/4/1/743 | The Mentalists | July 2004 | Press Production Review Files |
| RNT/PR/2/4/185 | Transformation | 2002 | Press Releases 2000-2009 |
| RNT/LI/3/159 | The Mentalists | 2002 | Scripts - Later Drafts |
| RNT/CO/1/459 | The Mentalists | 2002 | Costume Department Production Files |
| RNT/PP/8/13 | Transformation: A Report | 2002 | Publications |
| RNT/PP/1/5/5 | The Mentalists | 8 July 2002 | Loft Programmes |
| RNT/PR/3/589 | The Mentalists | 4 July 2002 | Rehearsal and Production Photographs |
| RNT/PP/2/6/337 | The Mentalists | 2002 | Other Venue Posters |
| RNT/PR/2/4/104 | 'The Mentalists' and Channels (France) | c. 2001 | Press Releases 2000-2009 |
| RNT/PR/2/4/159 | 'The Mentalists' a new play by Richard Bean, director: Sean Holmes, cast: Michael Feast, Duncan Preston | c. [June] 2002 | Press Releases 2000-2009 |
| RNT/PR/2/4/128 | Production news from the Royal National Theatre | 7 May 2002 | Press Releases 2000-2009 |
| RNT/SO/2/1/142 | The Mentalists | 2002 | Master Recordings |
| RNT/SO/2/2/144 | The Mentalists | 2002 | Viewing Recordings |
| RNT/LI/3/536 | The Mentalists | 8 July 2002 | Scripts - Later Drafts |
| RNT/LI/1/222 | The Mentalists | 28 January 2002 | Scripts - First Drafts |