| Reference Number | TPC/5/4/384 |
| Title | Heating + Skirting Trunking Panels on 49.00 + 59.00 Level (Central Courtyard) |
| Level | Item |
| Date | 12 November 1973 |
| Description | Denys Lasdun & Partners drawing number 552/02/3646 issue A. Original date 16 October 1972. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |