C. Edwards · Colin E. · Colin R. Edwards
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Delphiniums: The Complete Guide | Paperback | 978-1-85223-891-9 (1-85223-891-7) | 1995 |
| Delphiniums: The Complete Guide | Hardcover | 978-1-85223-150-7 (1-85223-150-5) | 1900 |