| Reference Number | Title | Date | Series |
| RNT/CO/1/77 | Comedians | 1975 | Costume Department Production Files |
| RNT/PR/3/89 | Comedians | 1975 | Rehearsal and Production Photographs |
| RNT/SM/1/92 | Comedians | 1975 | Prompt Scripts |
| RNT/PP/3/6/17 | Comedians | 1975 | Touring Printwork |
| RNT/PO/6/1/7 | Comedians | 1975 - 1976 | Old Vic Production Office Show Files |
| JH/13/2/2 | National Theatre | 1964-1985 | Programmes - non-Herbert designed productions |
| RNT/PR/4/1/93 | Comedians | February 1975 - March 1975 | Press Production Review Files |
| RNT/PP/1/6/380 | Comedians | February 1975 | Touring Programmes |
| RNT/PR/4/1/94 | Comedians | August 1975 - November 1975 | Press Production Review Files |
| RNT/PP/1/1/317 | Comedians | September 1975 | Pre-South Bank Programmes |