1.
Culturele Veranderingen in Nederland 1992 - CV'92 ; Cultural changes in the Netherlands 1992 - CV'92
2.
3.
Culturele Veranderingen in Nederland 1987 - CV'87 ; Cultural changes in the Netherlands 1987 - CV'87
Culturele Veranderingen in Nederland 1980 - CV'80 ; Cultural changes in the Netherlands 1980 - CV'80