| Reference Number | TPC/5/4/276 |
| Title | Upper Theatre and Offices Group: Quick Change Near Stair 12 Level 39.75 |
| Level | Item |
| Date | August 1973 |
| Description | Denys Lasdun & Partners drawing number 552/02/3431 issue A. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |