- Author: John A.M. de Groot (editor)
- Language: English
- Author: Casper de Groot (editor), Hannu Tommola (editor)
- Language: English
- Year: 1984
- Author: Nico H. Frijda (editor), Adriaan D. de Groot (editor)
- Language: English
- Year: 1981
- Author: M. Bolkestein (editor), Caspar de Groot (editor), J. Lachlan Mackenzie (editor)
- Language: English
- Year: 1985
- Author: A. M. Bolkestein (editor), C. de Groot (editor), J. L. Mackenzie (editor)
- Language: English
- Year: 1985
- Author: Casper de Groot (editor), Kees Hengeveld (editor)
- Language: English
- Year: 2005