| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1975 | 978-0-9504226-0-2 | John Gagg's | Book of Locks - Looking at Inland Waterways |
| '' | 978-0-9504226-1-9 | J.C. Gagg | Book of Narrow Canals (Looking at inland waterways) |
| 1976 | 978-0-9504226-2-6 | J.C. Gagg | Book of Canal Tunnels (Looking at Inland Waterways S.) |
| '' | 978-0-9504226-3-3 | John Gagg | 250 waterway landmarks (Looking at inland waterways) |
| 1977 | 978-0-9504226-4-0 | J.C. Gagg | Canals in a Nutshell (Looking at Inland Waterways) |