1.
Culturele Veranderingen in Nederland 1985 - CV'85 ; Cultural changes in the Netherlands 1985 - CV'85
2.
3.
Culturele Veranderingen in Nederland 1986 - CV'86 ; Cultural changes in the Netherlands 1986 - CV'86
Culturele Veranderingen in Nederland 1987 - CV'87 ; Cultural changes in the Netherlands 1987 - CV'87
Culturele Veranderingen in Nederland 1983 - CV'83 ; Cultural changes in the Netherlands 1983 - CV'83