1.
Culturele Veranderingen in Nederland 1992 - CV'92 ; Cultural changes in the Netherlands 1992 - CV'92
Culturele Veranderingen in Nederland 1985 - CV'85 ; Cultural changes in the Netherlands 1985 - CV'85
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