| Reference Number | TPC/5/4/94 |
| Title | Upper Theatre and Offices Group, Grids L-Q, Plan at Level 69.50 |
| Level | Item |
| Date | 12 February 1973 |
| Description | Denys Lasdun & Partners drawing number 552/01/3012 issue P. Original date 13 January 1970. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |