| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Study of second Severn crossing: Final report, July 1986: summary | 978-0-11-550777-9 (0-11-550777-9) | 1986 |
| Study of second Severn crossing: Final report Volumes I & II, July 1986 | 978-0-11-550775-5 (0-11-550775-2) | 1986 |