| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Signal Box Diagrams of the Great Western and Southern Railways: G.W.R. Berks and Hants Line v. 20 | 978-0-9532460-9-0 (0-9532460-9-4) | 2001 |
| Signal Box Diagrams of the Great Western and Southern Railways: GWR Lines in West Cornwall v. 16 | 978-0-9532460-5-2 (0-9532460-5-1) | 1999 |