| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1999 | 978-0-9535054-0-1 | Peter Gerald Oliver | Proceedings of the UK Rigs Conference: 1st |
| 2000 | 978-0-9535054-1-8 | Proceedings of the Second UK RIGS Conference | |
| 2002 | 978-0-9535054-4-9 | Herefordshire and Worcestershire Earth Heritage Trust | Explore Severn Valley Railway Landscape and Geology Trail |