| Reference Number | TPC/5/4/88/1 |
| Title | Upper Theatre and Offices Group, Grids E-L, Plan at Level 27.00 |
| Level | Item |
| Date | 26 February 1973 |
| Description | Denys Lasdun & Partners drawing number 552/01/3005 issue V. Original date 25 June 1969. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |