| Reference Number | Title | Date | Series |
| RNT/PR/3/518 | Private Lives | 1999 | Rehearsal and Production Photographs |
| RNT/PO/5/267 | Private Lives | 1999 | Set Photographs |
| RNT/SM/1/441 | Private Lives | 1999 | Prompt Scripts |
| RNT/PP/5/360 | Private Lives | 1999 | Rehearsal Photographs |
| RNT/PR/4/1/672 | Private Lives | December 1998 - September 1999 | Press Production Review Files |
| RNT/PP/2/2/200 | Private Lives | 13 May 1999 | Lyttelton Posters |
| RNT/PP/1/2/216 | Private Lives | 13 May 1999 | Lyttelton Programmes |
| RNT/CO/1/395 | Private Lives | 1999 | Costume Department Production Files |
| RNT/SM/2/3/147 | Private Lives | 1999 - 2000 | Lyttelton Show Reports |
| RNT/PO/2/1/110 | Private Lives | 1999 | Lyttelton Production Office Show Files |
| RNT/PO/2/1/114 | Private Lives | 1999- 2000 | Lyttelton Production Office Show Files |
| RNT/PP/2/2/199 | Private Lives | 13 May 1999 | Lyttelton Posters |
| RNT/PR/2/3/268 | Production news from the Royal National Theatre | 1 April 1999 | Press Releases 1990-1999 |
| RNT/PR/2/3/287 | Last chance to see 'Private Lives' (prior to national tour) | 17 August 1999 | Press Releases 1990-1999 |
| RNT/PR/2/3/284 | Production news from the Royal National Theatre | 19 July 1999 | Press Releases 1990-1999 |
| RNT/PR/2/3/310 | Juliet Stevenson and Anton Lesser in Noël Coward's 'Private Lives' | c. [April] 1999 | Press Releases 1990-1999 |
| RNT/PR/2/3/259 | Production news from the Royal National Theatre | 8 February 1999 | Press Releases 1990-1999 |
| RNT/PP/3/6/154 | Private Lives | 1999 | Touring Printwork |
| RNT/R/1/4/3/140 | Private Lives | 1999 | Postcards |
| RNT/PP/3/9/3/118 | Private Lives | 1999 | Lyttelton Cast Lists |
| RNT/SO/2/1/70 | Private Lives | 22 May 1999 | Master Recordings |
| RNT/SO/2/2/70 | Private Lives | 22 May 1999 | Viewing Recordings |