Hodder & Stoughton · Thomas Nelson
| title | ISBN-13 | year of publication |
|---|---|---|
| Certificate of Proficiency English Practice | 978-0-7131-8006-0 | 1979 |
| Proficiency English for Foreigners | 978-0-7131-1259-7 | 1966 |
| Proficiency in English Course: Key | 978-0-17-556195-7 | 1992 |
| Proficiency in English Course: Student's Book | 978-0-17-556194-0 | 1992 |