- Author: B Verdcourt R.M. Polhill (editor)
- Language: English
- Year: 1992
- Author: R. M. Polhill D. Wiens
- Language: English
- Year: 1999
- Author: R. M. Polhill (editor)
- Language: English
- Year: 2000
- Author: R. M. Polhill (editor)
- Language: English
- Year: 2000
- Author: C. C. Berg Maria E. E. Hijman R. M. Polhill (editor)
- Language: English
- Year: 1989
- Author: R. M. Polhill, David Simpson
- Language: English
- Year: 1989
- Author: B. Verdcourt R. M. Polhill (editor)
- Language: English
- Year: 1989
- Author: R.M. Polhill
- Language: English
- Year: 1999
- Author: R. M. Polhill (editor)
- Language: English
- Year: 2000
- Author: Susan Carter R. M. Polhill (editor)
- Language: English
- Year: 1994