| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Contrasts in Development: 3 | 978-0-19-914231-6 | 1979 | etc. |
| Contrasts in Development: 3 | 978-0-19-913123-5 | 1975 | " |
| Contrasts in Development: Tchrs' | 978-0-19-913147-1 | 1975 | " |
| Investigating Physical Geography | 978-0-19-913268-3 | 1985 | |