| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Severn Tunnel, Its Construction and Difficulties 1872-1887 | 978-1-84588-000-2 (1-84588-000-5) | 2004 |
| The Severn Tunnel: Its Construction and Difficulties, 1872-87 | 978-1-85026-014-1 (1-85026-014-1) | 1990 |
A. W. · A. Walker · T.A. · T W · T. Walker · Thomas A · Thomas Alfred Walker · Thomas W. · Thomas Walker