| Reference Number | TPC/5/4/91 |
| Title | Upper Theatre and Offices Group, Grids L-Q, Plan at Level 49.00 |
| Level | File |
| Date | 16 May 1972 |
| Description | Denys Lasdun & Partners drawing number 552/01/3008 issues F, G and N. Original date 25 August 1969. |
| Extent | 3 drawings |
| Series | Denys Lasdun & Partners Drawings |