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 1995 - CV'95 ; Cultural changes in the Netherlands 1995 - CV'95
Culturele Veranderingen in Nederland 1997 - CV'97 ; Cultural changes in the Netherlands 1997 - CV'97