| Reference Number | TPC/5/4/199 |
| Title | Lower Auditorium, Plan at 47.00 Level |
| Level | Item |
| Date | 31 January 1969 |
| Description | Denys Lasdun & Partners drawing number 552.2/1/5 issue A. Original date January 1969. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |