1.
Culturele Veranderingen in Nederland 1993 - CV'93 ; Cultural changes in the Netherlands 1993 - CV'93
2.
3.
Culturele Veranderingen in Nederland 1981 - CV'81 ; Cultural changes in the Netherlands 1981 - CV'81
Culturele Veranderingen in Nederland 1983 - CV'83 ; Cultural changes in the Netherlands 1983 - CV'83