| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Economic Society | 978-0-19-913311-6 | 1987 | K.B. Marder |
| Economic Society | 978-0-19-913267-6 | 1980 | " |
| Economic Society | 978-0-19-913125-9 | 1975 | " |
| Stimulus Questions for Ordinary Level Economics | 978-0-19-913312-3 | 1985 | " |
| Stimulus Questions for Ordinary Level Economics | 978-0-19-913272-0 | 1981 | " |