G. C. ยท Gordon Cawood Dickinson
| title | ISBN-13 | year of publication |
|---|---|---|
| Cassell's Intermediate Short Course | 978-0-304-31204-7 | 1986 |
| Cassell's Intermediate Short Course: Cassette | 978-0-304-31206-1 | 1985 |
| Foundation Skills: Speaking Bk. 1 | 978-0-304-31297-9 | 1986 |
| Foundation Skills: Speaking Bk.1 | 978-0-304-31298-6 | 1986 |