| Reference Number | TPC/5/4/394 |
| Title | Details of Door Opening E321 (and E329 mirrored) Level 27.00 |
| Level | Item |
| Date | January 1973 |
| Description | Denys Lasdun & Partners drawing number 552/02/3670. See drawing 552/02/3669. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |