1.
Culturele Veranderingen in Nederland 2000 - CV'00 ; Cultural changes in the Netherlands 2000 - CV'00
Culturele Veranderingen in Nederland 1994 - CV'94 ; Cultural changes in the Netherlands 1994 - CV'94
Culturele Veranderingen in Nederland 1998 - CV'98 ; Cultural changes in the Netherlands 1998 - CV'98