| Reference Number | Title | Date | Series |
| RNT/PP/5/260 | Square Rounds | 1992 | Rehearsal Photographs |
| RNT/SM/2/4/79 | Square Rounds | 1992 - 1993 | Olivier Show Reports |
| RNT/SM/1/351 | Square Rounds | 1992 | Prompt Scripts |
| RNT/PR/3/391 | Square Rounds | 1992 | Rehearsal and Production Photographs |
| JH/1/32 | Cuttings (George Devine, directors, writers) | c1961-2000 | Indexed files |
| JH/5/27 | 'Blocks' | c1960s-1992 | Models |
| JH/2/35/24 | 'Square Rounds - NT [National Theatre]' | c1992 | Research |
| JH/2/32 | 'Production notes' | c1992 | Un-indexed files |
| JH/2/35/35 | 'Costumes and Chinese research' | c1992 | Research |
| JH/2/35/22 | 'Conjuring and black art - Square Rounds' | c1992 | Research |
| JH/3/72 | Notebook | 1992 | Notebooks and Sketchbooks |
| JH/4/81 | Square Rounds | 1992 | Design drawings |
| JH/5/12 | 'Square Rounds' | 1992 | Models |
| JH/9/2/4 | Square Rounds | c1992 | Productions |
| JH/13/1 | Programmes - Herbert designed productions | 1956-1992 | Programmes |
| JH/3/89 | Notebook | | Notebooks and Sketchbooks |
| JH/2/35/6 | 'Costume research - Square Rounds' | c1992 | Research |
| JH/5/5 | 'Square Rounds people' | 1992 | Models |
| JH/12/2 | Portfolio - La Forza del Destino [The Force of Destiny] and Lulu | 1873-1992 | Portfolios and non-production artworks |
| JH/3/52 | Sketchbook | 1991-1992 | Notebooks and Sketchbooks |
| JH/2/53/13 | General correspondence 1960s-1980s | 1960s - 1980s | 'Personal Correspondence' |
| JH/9/1/32 | Oversized black photograph album | | Albums |
| JH/3/35 | Notebook | 1991 | Notebooks and Sketchbooks |
| JH/5/31 | 'Backdrops and floors' | c1970-1992 | Models |
| RNT/PO/3/1/85 | Square Rounds | 1992 | Olivier Production Office Show Files |
| RNT/PR/4/1/527 | Square Rounds | September 1992 - December 1992 | Press Production Review Files |
| JH/3/34 | Notebook | 1991 | Notebooks and Sketchbooks |
| JH/9/2/11 | Various productions - negatives | | Productions |
| JH/6/1/32 | Square Rounds - rehearsal draft | Sep 1992 | Production scripts |
| RNT/PP/3/1/15 | 1992 | 1992 | NT Production related printwork |
| RNT/PP/3/9/2/78 | Square Rounds | 1992 | Olivier Cast Lists |
| JH/12/6 | Portfolio - 'Important' | c1960-1992 | Portfolios and non-production artworks |
| JH/9/10 | National Theatre memorial exhibition photographs | 2004 | Photographic material |
| JH/9/1/10 | 'Tony H[arrison] and Square Rounds - Ceasar RCT [Royal Court Theatre]' | 1964-1992 | Albums |
| JH/3/30 | Notebook | 1992 | Notebooks and Sketchbooks |
| JH/10/31 | Diary - 1992 | Jan- Dec 1992 | Diaries |
| RNT/PP/1/3/174 | Square Rounds | 1 October 1992 | Olivier Programmes |
| RNT/PP/2/3/137 | Square Rounds | 1 October 1992 | Olivier Posters |
| JH/3/61 | Note and sketchbook | 1990-1992 | Notebooks and Sketchbooks |
| RNT/CO/1/303 | Square Rounds | 1992 | Costume Department Production Files |
| JH/9/7 | Assorted photographs | 1930s-1980s | Photographic material |
| PC/1/14 | Square Rounds | 1992 | Set Photographs |