| Ref_No | Title | Date | Series |
| RNT/PP/2/6/107 | Three Men on a Horse | July 1987 | Other Venue Posters |
| RNT/SM/1/273 | Three Men on a Horse | 1987 | Prompt Scripts |
| RNT/R/1/4/3/127 | Three Men On A Horse | 1987 | Postcards |
| RNT/PO/1/1/83b | Three Men on a Horse | 1987 | Cottesloe Production Office Show Files |
| RNT/PO/1/1/83a | Three Men on a Horse | 1987 | Cottesloe Production Office Show Files |
| RNT/PR/4/1/368 | Three Men on a Horse | June 1987 - November 1987 | Press Production Review Files |
| RNT/CO/1/201 | Three Men on a Horse | 1987 | Costume Department Production Files |
| RNT/PP/1/6/201 | Three Men on a Horse | 08 July 1987 | Touring programmes |
| RNT/PP/3/6/68 | Three Men on a Horse | 1987 | Touring Printwork |
| RNT/PP/1/12/13 | Three Man On A Horse | 1987 | West End Transfer Programmes |
| RNT/PR/4/1/367 | Three Men on a Horse | January 1987 - October 1987 | Press Production Review Files |
| RNT/PP/1/4/87 | Three Men on a Horse | 22 January 1987 | Cottesloe Programmes |
| RNT/PR/3/275 | Three Men on a Horse | 1987 | Rehearsal and Production Photographs |
| RNT/SM/2/2/83 | Three Men on a Horse | 1987 | Cottesloe Show Reports |
| RNT/PO/5/243 | Three Men on a Horse | 1987 | Set Photographs |
| RNT/PP/2/4/86 | Three Men on a Horse | 22 January 1987 | Cottesloe Posters |