| title | ISBN-13 | year of publication |
|---|---|---|
| Skeul an Tavas: A Cornish Language Coursebook for Adults in the Standard Written Form with Traditional Graphs | 978-1-901409-12-3 | 2010 |
| Skeul an Tavas: A Cornish language coursebook for adults in the Standard Written Form with Traditional Graphs | 978-1-901409-10-9 | 2009 |
| Skeul an Tavas: A Cornish language coursebook for schools in the Standard Written Form | 978-1-901409-11-6 | 2009 |
| Skeul an Tavas: A coursebook in Standard Cornish | 978-1-904808-32-9 | 2009 |