| Reference Number | Title | Date | Series |
| RNT/SM/2/1/44 | The Idiot | 13 July 1970 - 3 April 1971 | Pre-South Bank Show Reports |
| RNT/CO/1/42 | The Idiot | 1970 | Costume Department Production Files |
| RNT/PP/1/1/216 | The Idiot | July 1970 | Pre-South Bank Programmes |
| RNT/PR/3/47 | The Idiot | 1970 | Rehearsal and Production Photographs |
| RNT/LI/3/240 | The Idiot | 1970 | Scripts - Later Drafts |
| CF/8/21 | The Idiot | 1970 | Scripts |
| RNT/PR/2/1/73 | Four new productions for NT | 9 February 1970 | Press Releases 1960-1979 |
| RNT/PP/3/9/1/19 | The Idiot | 1970 | Pre-South Bank Cast Lists |
| RNT/SM/1/49 | The Idiot | 1970 | Prompt Scripts |
| RNT/PR/4/8/257 | 1964 - 1972 Press reviews | 1964 - 1972 | Press General Review Files |
| RNT/PP/1/1/215 | The Idiot | July 1970 | Pre-South Bank Programmes |
| RNT/PO/5/29 | The Idiot | 1970 | Set Photographs |
| RNT/PR/4/1/41 | The Idiot | July 1970 - August 1970 | Press Production Review Files |
| RNT/PP/2/1/121 | The Idiot | 1970 | Pre-South Bank Posters |
| RNT/PR/2/1/77 | Simon Gray's new adaptation of The Idiot at the National Theatre | 1 July 1970 | Press Releases 1960-1979 |