| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| New English Workbooks: Bk. 1 | 978-0-19-560020-9 | 1970 | Ronald Ridout |
| New English Workbooks: Bk. 2 | 978-0-19-560058-2 | 1970 | " |
| New English Workbooks: Bk. 3 | 978-0-19-560059-9 | 1970 | " |
| New English Workbooks: Bk. 4 | 978-0-19-560060-5 | 1970 | " |
| New English Workbooks: Bk. 5 | 978-0-19-560061-2 | 1971 | " |
| New English Workbooks: Bk. 6 | 978-0-19-560062-9 | 1971 | " |
| New English Workbooks: Bk. 7 | 978-0-19-560063-6 | 1971 | " |
| New English Workbooks: Bk. 8 | 978-0-19-560064-3 | 1971 | " |
| New English Workbooks: Introductory Bk. 1 | 978-0-19-560001-8 | 1970 | " |
| New English Workbooks: Introductory Bk. 2 | 978-0-19-560002-5 | 1970 | " |