| Reference Number | TPC/5/4/401 |
| Title | Upper Theatre and Offices, Porter's Room, Rear Wall Indicator Panel |
| Level | Item |
| Date | July 1974 |
| Description | Denys Lasdun & Partners drawing number 552/02/3687 issue B. Original date March 1974. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |